Gaya APA

Al, K, D, E. (2017). TEXTBOOK OF OCCUPATIONAL MEDICINE PRACTICE (FOURTH EDITION) . : CV. Spektra Anugerahabadi.

Gaya MLA

Al, Koh, David, Et. "TEXTBOOK OF OCCUPATIONAL MEDICINE PRACTICE (FOURTH EDITION)". : CV. Spektra Anugerahabadi, 2017. Tadris Biologi.