Nishimori, Hidetoshi, and Gerardo Ortiz. "Numerical methods." Elements of Phase Transitions and Critical Phenomena. : Oxford University Press, 2010-12-02. Oxford Scholarship Online. 2011-01-01. Date Accessed 25 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199577224.001.0001/acprof-9780199577224-chapter-11>.
Nishimori, H., & Ortiz, G.(2010-12-02). Numerical methods. In Elements of Phase Transitions and Critical Phenomena. : Oxford University Press. Retrieved 25 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199577224.001.0001/acprof-9780199577224-chapter-11.
Nishimori, Hidetoshi, and Gerardo Ortiz. "Numerical methods." In Elements of Phase Transitions and Critical Phenomena. : Oxford University Press, 2010-12-02. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199577224.001.0001/acprof-9780199577224-chapter-11.
Nishimori H, Ortiz G. Numerical methods. In: Nishimori H, Ortiz G. Elements of Phase Transitions and Critical Phenomena. Oxford University Press; 2010. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199577224.001.0001/acprof-9780199577224-chapter-11. Accessed May 25, 2013.