APA aipamena

Martius, g., Friedman, e. A., & Andrianto, P. (1986). Bedah Kebidanan.

Chicago Style aipamena

Martius, gerhard, emanuel A. Friedman, and Petrus Andrianto. Bedah Kebidanan. 1986.

MLA aipamena

Martius, gerhard, et al. Bedah Kebidanan. 1986.