APA Style

Pardoko, R. (1973). Factors influencing the preference of family planning method in east Java . Surabaya: Puslitbang Yantekkes, Badan Litbangkes.

MLA Style

Pardoko, R.H.. "Factors influencing the preference of family planning method in east Java". Surabaya: Puslitbang Yantekkes, Badan Litbangkes, 1973. print.