APA aipamena

Cunningham, f. g., Suyono, Y. J., Hartono, A., Pendit, B. u., & Hartanto, H. (2005). Obstetri Williams. EGC.

Chicago Style aipamena

Cunningham, f. gary, Y. Joko Suyono, Andry Hartono, Brahmu u. Pendit, and Huriawati Hartanto. Obstetri Williams. EGC, 2005.

MLA aipamena

Cunningham, f. gary, et al. Obstetri Williams. EGC, 2005.