APA Style

Hartono, P. et al (1996). Pregnancy Cause by Contraseptive Device Failure (Hasil Kehamilan pada Kegagalan AKDR) . : .

MLA Style

Hartono, Poedjo. et al. "Pregnancy Cause by Contraseptive Device Failure (Hasil Kehamilan pada Kegagalan AKDR)". : , 1996. Text.