APA Style

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.

MLA Style

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.