APA Style

Pardoko, R. (1972). Use effectiveness study of contraception among 1971 acceptors in east Java . Surabaya: Puslitbang Yantekkes, Badan Litbangkes.

MLA Style

Pardoko, R.H.. "Use effectiveness study of contraception among 1971 acceptors in east Java". Surabaya: Puslitbang Yantekkes, Badan Litbangkes, 1972. print.