Gaya APA

Vintzileos, A, M., Laube, D. (1995). Clinical Obstetrics and Gynecology . Philadelphia: J.B. Lippincott Company.

Gaya MLA

Vintzileos, Anthony, M.., Laube, Douglas. "Clinical Obstetrics and Gynecology". Philadelphia: J.B. Lippincott Company, 1995. Text.