APA aipamena

Krisnadi, S. R., Anwar, A. D., & Alamsyah, M. (2012). Obstetri Emergensi. Sagung Seto.

Chicago Style aipamena

Krisnadi, Sofie Rifayani, Anita Deborah Anwar, and Muhammad Alamsyah. Obstetri Emergensi. Sagung Seto, 2012.

MLA aipamena

Krisnadi, Sofie Rifayani, et al. Obstetri Emergensi. Sagung Seto, 2012.