Gaya APA

Cunningham, F. Gary. (2005). Obstetri Willian Edisi 21 Vol. 1 . Jakarta: EGC.

Gaya Chicago

Cunningham, F. Gary. Obstetri Willian Edisi 21 Vol. 1. Jakarta: EGC, 2005. Text.

Gaya MLA

Cunningham, F. Gary. Obstetri Willian Edisi 21 Vol. 1. Jakarta: EGC, 2005. Text.

Gaya Turabian

Cunningham, F. Gary. Obstetri Willian Edisi 21 Vol. 1. Jakarta: EGC, 2005. Print.