Gaya APA

Kathari, F, G, C, N, F, G, K, J, L, L, C, G, I, J, C, H. (2006). Obstetri Williams Volume 1 (Edisi 21). Jakarta: EGC.

Gaya MLA

Kathari, F., Gary, Cunningham,, Norman, F., Gant,, Kenneth, J., Leveno,, Larry, C., Gilstrap, III,, John, C., Hauth,. "Obstetri Williams Volume 1". Edisi 21 Jakarta: EGC, 2006. Text.