Gaya APA

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

Gaya MLA

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