Gaya APA

Callahan, T, L., Caughey, A, B. (2007). Blueprints Obstetrics & Gynecology Ed.4 (4). Padang: Balai Penerbit FKUI.

Gaya MLA

Callahan, Tamara, L.., Caughey, Aaron, B.. "Blueprints Obstetrics & Gynecology Ed.4". 4 Padang: Balai Penerbit FKUI, 2007. Text.