Gaya APA

M.D., P, V, D, J. (1981). Core Studies In Obstetrics And Gynecology (Third Edition). baltimore: wiliams & wilkins Company.

Gaya MLA

M.D., P., V., Dilts,, Jr.,. "Core Studies In Obstetrics And Gynecology". Third Edition baltimore: wiliams & wilkins Company, 1981. Text.