APA Style

al, E., Lubis, I. (1995). Health seeking pattern of cases with severe acute respiratory infection to develop intervention 1994-1995 . Jakarta: Puslitbang Pemberantasan Penyakit, Badan Litbangkes.

MLA Style

al, Et., Lubis, Imram. "Health seeking pattern of cases with severe acute respiratory infection to develop intervention 1994-1995". Jakarta: Puslitbang Pemberantasan Penyakit, Badan Litbangkes, 1995. print.