Gaya APA
Situmorang, T., S., Werner, D. (1992).
Where There is No Doctor a Village Health Care Handbook .
New York:
The Hesprian Foundation.
Gaya MLA
Situmorang, T., S., Werner, D..
Where There is No Doctor a Village Health Care Handbook.
New York:
The Hesprian Foundation,
1992.
Text.