APA Format
Phoon, W.O.
. (1988). Practical occupational health. Singapore : P.G. Publishing
MLA Format
Phoon, W.O.
. Practical occupational health. Singapore : P.G. Publishing, 1988
Australian/Harvard Format
Phoon, W.O.
. 1988. Practical occupational health. P.G. Publishing, Singapore
Warning: These citations may not always be 100% accurate.