Gaya APA

Cunningham, G. et al (2006). Obstetri Williams Vol 2 thn. 2006 ( MKKK ) (21 - 2006). Jakarta: .

Gaya MLA

Cunningham, Gary. et al. "Obstetri Williams Vol 2 thn. 2006 ( MKKK )". 21 - 2006 Jakarta: , 2006. Text.