Gaya APA

ULIN, P, R. (2005). QUALITATIVE METHODS IN PUBLIC HEALTH A FIELD GUIDE APPLIED RESEARCH . SURABAYA: UNAIR PRESS.

Gaya MLA

ULIN, PRISCILLA, R. "QUALITATIVE METHODS IN PUBLIC HEALTH A FIELD GUIDE APPLIED RESEARCH". SURABAYA: UNAIR PRESS, 2005. Text.