Gaya APA

Al, K, D, E. (2011). TEXTBOOK OF OCCUPATIONAL MEDICINE PRACTICE (3RD EDITION) . : CV. Spektra Anugerahabadi.

Gaya MLA

Al, Koh, David, Et. "TEXTBOOK OF OCCUPATIONAL MEDICINE PRACTICE (3RD EDITION)". : CV. Spektra Anugerahabadi, 2011. Tadris Biologi.