Gaya APA

Vontver, L, A. (2006). Lange Q and A Obstetrics and Gynecology 8th ed. . USA: The McGraw-Hill Companies Inc..

Gaya MLA

Vontver, Louis, A.. "Lange Q and A Obstetrics and Gynecology 8th ed.". USA: The McGraw-Hill Companies Inc., 2006. Teks (Text).