Gaya APA

academicjournals.org/JPHE, W. (2013). PUBLIC HEALTH AND EPIDEMIOLOGY VOL 5 NO 4 . Jakarta: academicjournals.

Gaya MLA

academicjournals.org/JPHE, Www.. "PUBLIC HEALTH AND EPIDEMIOLOGY VOL 5 NO 4". Jakarta: academicjournals, 2013. Jurnal.