Gaya APA

Kathari, F, G, C, N, F, G, K, J, L, L, C, G, I, J, C, H. (2006). OBSTETRI WILLIAMS VOL 1 (21). Jakarta: Buku Kedokteran EGC.

Gaya MLA

Kathari, F., Gary, Cunningham,, Norman, F., Gant,, Kenneth, J., Leveno,, Larry, C., Gilstrap, III,, John, C., Hauth,. "OBSTETRI WILLIAMS VOL 1". 21 Jakarta: Buku Kedokteran EGC, 2006. Text.