Gaya APA

Kosen, S., al, E. (1995). Study on selecting essential package of health services using cost-effectiveness analysis . Surabaya: Puslitbang Yantekkes, Badan Litbangkes.

Gaya MLA

Kosen, Suwarto., al, Et. "Study on selecting essential package of health services using cost-effectiveness analysis". Surabaya: Puslitbang Yantekkes, Badan Litbangkes, 1995. print.