Gaya APA

RAYBURN, W., F., Zuspan, F., P. (1991-c.1). Drug therapy in obstetrics and gynecology (3). St. Louis: Mosby Year Book, Inc..

Gaya MLA

RAYBURN, W., F., Zuspan, F., P.. Drug therapy in obstetrics and gynecology. 3 St. Louis: Mosby Year Book, Inc., 1991-c.1. Text.