APA Style

Y., F, G, C, K, J, L, S, L, B, J, C, H, D, J, R, C. (2014). Obstetri Williams Volume 2 (Ed. 23, vol. 2.). Jakarta: EGC.

MLA Style

Y., F., Gary, Cunningham;, Kenneth, J., Leveno;, Steven, L., Bloom;, John, C., Hauth;, Dwight, J., Rouse;, Catherine. "Obstetri Williams Volume 2". Ed. 23, vol. 2. Jakarta: EGC, 2014. Text.