APA Style

Krisnadi, S, R., Anwar, A, D. (2012). Obstetri Emergensi . Jakarta: Sagung Seto.

MLA Style

Krisnadi, Sofie, Rifayani., Anwar, Anita, Deborah. "Obstetri Emergensi". Jakarta: Sagung Seto, 2012. Text.