Gaya APA

Cunningham, . et al (2012). Obstetri Williams: Edisi 23 Volume 1 (Ed. 23, Vol. 1). Djakarta Perpustakaan Perguru: EGC.

Gaya MLA

Cunningham, . et al. "Obstetri Williams: Edisi 23 Volume 1". Ed. 23, Vol. 1 Djakarta Perpustakaan Perguru: EGC, 2012. Text.