Ranicki, Andrew. "BUNDLES." Algebraic and Geometric Surgery. : Oxford University Press, 2002-09-26. Oxford Scholarship Online. 2007-09-01. Date Accessed 22 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198509240.001.0001/acprof-9780198509240-chapter-5>.
Ranicki, A.(2002-09-26). BUNDLES. In Algebraic and Geometric Surgery. : Oxford University Press. Retrieved 22 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780198509240.001.0001/acprof-9780198509240-chapter-5.
Ranicki, Andrew. "BUNDLES." 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-5.
Ranicki A. BUNDLES. 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-5. Accessed May 22, 2013.