APA Style

al, E., Budiarso, R, L. (1983). Knowledge and practice towards mother and chil health and family planning . Jakarta: Puslitbang Ekologi Kesehatan, Badan Litbangkes.

MLA Style

al, Et., Budiarso, Ratna, L.. "Knowledge and practice towards mother and chil health and family planning". Jakarta: Puslitbang Ekologi Kesehatan, Badan Litbangkes, 1983. print.