Gaya APA

Cunningham, F, G. et al (1995). Obstetri Williams (Ed. 18cet. 1). Jakarta_: EGC _2.

Gaya MLA

Cunningham, F., Gary. et al. "Obstetri Williams". Ed. 18cet. 1 Jakarta_: EGC _2, 1995. Buku Teks.