Gaya APA

al, E., Agnestina, T. (1982). Evaluation of PB,E1 vaginal pessaries (ono 802) in termination of abnormal intrauterine pregnancy at twelve teaching hospitalsin Indonesia . Bandung: Universitas Padjadjaran Bag. Obstetri \r Ginekologi, Badan Litbangkes.

Gaya MLA

al, Et., Agnestina, Tina. "Evaluation of PB,E1 vaginal pessaries (ono 802) in termination of abnormal intrauterine pregnancy at twelve teaching hospitalsin Indonesia". Bandung: Universitas Padjadjaran Bag. Obstetri \r Ginekologi, Badan Litbangkes, 1982. print.