APA (7. basım) Alıntı

Keighley, M. R. B., & Williams, N. S. (1993). Surgery of the anus, rectum and colon: Michael R. B. Keighley, Norman S. Williams. W. B. Saunders.

Chicago Style (17. basım) Atıf

Keighley, Michael R. B., ve Norman S. Williams. Surgery of the Anus, Rectum and Colon: Michael R. B. Keighley, Norman S. Williams. London [u.a.]: W. B. Saunders, 1993.

MLA (8th ed.) Atıf

Keighley, Michael R. B., ve Norman S. Williams. Surgery of the Anus, Rectum and Colon: Michael R. B. Keighley, Norman S. Williams. W. B. Saunders, 1993.