http://www.divms.uiowa.edu/ftp/atkinson/NonlinearSurvey.pdf 

http://www.damtp.cam.ac.uk/lab/people/sd/lectures/nummeth98/integration.htm#L_1_Numerical_integration

http://persson.berkeley.edu/128A/ch4.pdf

http://persson.berkeley.edu/128A/Gaussian%20Quadrature,%204-8%204-9.pdf

http://www.cs.rpi.edu/~flaherje/pdf/fea6.pdf

http://www.statsci.org/smyth/pubs/EoB/ban042-.pdf

http://www.wouterdenhaan.com/numerical/integration.pdf

http://people.sc.fsu.edu/~sshanbhag/NumericalIntegration.pdf

http://pages.cs.wisc.edu/~amos/412/lecture-notes/lecture19.pdf

http://dept.stat.lsa.umich.edu/~kshedden/Courses/Stat606/Notes/quadrature.pdf

http://demonstrations.wolfram.com/ComparingBasicNumericalIntegrationMethods/

http://www.google.com/url?sa=t&rct=j&q=numerical%20integration%20methods&source=web&cd=7&cad=rja&ved=0CFkQFjAG&url=http%3A%2F%2Fdocs.lib.purdue.edu%2Fcgi%2Fviewcontent.cgi%3Farticle%3D1301%26context%3Decetr&ei=pYCfUePcE8XSPJqdgYAK&usg=AFQjCNE8BKLMMIqj7j44o7QZqOyN-05VDQ&bvm=bv.47008514,d.ZWU

http://faculty.uml.edu/klevasseur/math/Numerical_Integration/Numerical_Integration.nb.pdf

http://en.wikibooks.org/wiki/Numerical_Methods/Numerical_Integration

http://pages.cs.wisc.edu/~amos/412/lecture-notes/lecture18.pdf

http://www.ugrad.math.ubc.ca/coursedoc/math101/notes/techniques/numerical.html

http://jacusers.johnabbott.qc.ca/~math.exams/gr_cal/c2ns/c2_numin.pdf

http://www.timberlake.co.uk/common/pdf/stata-uk-12-ugm/uk12_mander_bowden.pdf

http://www.mn.uio.no/english/about/collaboration/cse/portal-with-resources/examples/exampledbnumericint.pdf

http://terpconnect.umd.edu/~petersd/466/numint_practsol.pdf

http://people.whitman.edu/~hundledr/courses/M467F06/MatlabQuad.pdf

http://www.math.tamu.edu/~phoward/m289/matlabint.pdf

http://www.personal.psu.edu/pxt156/skill/matlab/numeIntegration.pdf

http://people.math.sfu.ca/~mrt/Math152/Pages/Docs/Jan26.pdf

http://www.google.com/url?sa=t&rct=j&q=numerical%20integration%20matlab&source=web&cd=30&cad=rja&ved=0CFoQFjAJOBQ&url=http%3A%2F%2Fwww.lectureshare.com%2Fdownload.php%3Fq%3DLesson08NumericalIntegrationQuadrature_111428.pdf%26r%3Ddoc&ei=ipCfUbDXD8XxOrP7gIAO&usg=AFQjCNHYCp9mVyhjsmf0IMvn6soaKyACew&bvm=bv.47008514,d.ZWU

http://www.google.com/url?sa=t&rct=j&q=numerical%20integration%20matlab&source=web&cd=27&cad=rja&ved=0CEoQFjAGOBQ&url=http%3A%2F%2Fwww.delmarlearning.com%2Fcompanions%2Fcontent%2F1401864813%2Flectures%2FChapter%252008.ppt&ei=ipCfUbDXD8XxOrP7gIAO&usg=AFQjCNHC9K8oCmGNASjsoG3XxeHXnap2aw&bvm=bv.47008514,d.ZWU

http://coewww.rutgers.edu/classes/mae/mae231/solutions/ch11partSolution.pdf