Gaya APA
m.pd, D, H, Y, R. (2006).
International Public Health Diseases, Programs, Systems and policies .
Boston:
jones and bartlett.
Gaya MLA
m.pd, Dra., Hj, Yulia, Rahmadhar,.
"International Public Health Diseases, Programs, Systems and policies".
Boston:
jones and bartlett,
2006.
Text.