Gaya APA

Wilkins, L, W, A. (1999). Clinical Obstetrics and Gynecology (Volume 42/ Number 3). United State of America: Lippincott Williams and Wilkins.

Gaya MLA

Wilkins, Lippincott, Williams, And. "Clinical Obstetrics and Gynecology". Volume 42/ Number 3 United State of America: Lippincott Williams and Wilkins, 1999. Text.