Ranicki, Andrew. "MANIFOLDS." Algebraic and Geometric Surgery. : Oxford University Press, 2002-09-26. Oxford Scholarship Online. 2007-09-01. Date Accessed 19 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198509240.001.0001/acprof-9780198509240-chapter-2>.
Ranicki, A.(2002-09-26). MANIFOLDS. In Algebraic and Geometric Surgery. : Oxford University Press. Retrieved 19 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198509240.001.0001/acprof-9780198509240-chapter-2.
Ranicki, Andrew. "MANIFOLDS." In Algebraic and Geometric Surgery. : Oxford University Press, 2002-09-26. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198509240.001.0001/acprof-9780198509240-chapter-2.
Ranicki A. MANIFOLDS. In: Ranicki A. Algebraic and Geometric Surgery. Oxford University Press; 2002. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198509240.001.0001/acprof-9780198509240-chapter-2. Accessed June 19, 2013.