Rujukan Rektum

  1. ↑ "12. Colon and Rectum", AJCC Cancer Staging Atlas (PDF), American Joint Committee on Cancer, 2006, m/s. 109 
  2. ↑ al.], senior editors, Bruce G. Wolff ... [et (2007). The ASCRS textbook of colon and rectal surgery. New York: Springer. ISBN 0-387-24846-3. 
  3. ↑ Drake, Richard L.; Vogl, Wayne; Tibbitts, Adam W.M. Mitchell; illustrations by Richard; Richardson, Paul (2005). Gray's anatomy for students. Philadelphia: Elsevier/Churchill Livingstone. ISBN 978-0-8089-2306-0.