Gaya APA

Cunningham, . et al (2013). Obstetri Williams: Edisi 23 Volume 2 (Ed. 23, Vol. 2). Djakarta Perpustakaan Perguru: EGC.

Gaya MLA

Cunningham, . et al. "Obstetri Williams: Edisi 23 Volume 2". Ed. 23, Vol. 2 Djakarta Perpustakaan Perguru: EGC, 2013. Text.