Gaya APA

Sherr, L., Hidayat, A, A, A. (1995). The Psychology of pregnancy and childbirth . Vitoria: Sherr, Lorraine.

Gaya MLA

Sherr, Lorraine., Hidayat, A., Aziz, Alimul. "The Psychology of pregnancy and childbirth". Vitoria: Sherr, Lorraine, 1995. Text.