Gaya APA
www.academicjournal.org, (2011).
JOURNAL OF PUBLIC HEALTH AND EPIDEMIOLOGY VOL 3 NO 2 .
Jakarta:
Academic Journals.
Gaya MLA
www.academicjournal.org, .
"JOURNAL OF PUBLIC HEALTH AND EPIDEMIOLOGY VOL 3 NO 2".
Jakarta:
Academic Journals,
2011.
Jurnal.