Gaya APA

Leveno, F, G, C, N, F, G, K, J. (2005). Obstetri Williams. 2 (Vol.2 .edisi 21). Jakarta.: EGC.

Gaya MLA

Leveno, F, Gary, Cuningham., Norman, F, Gant., Keneth, J. "Obstetri Williams. 2". Vol.2 .edisi 21 Jakarta.: EGC, 2005. Text.