Cita APA

Wo Phoon. (1983). Practical occupational health. Singapore: P.G. Publishing Pte Ltd.

Chicago Style Citation

Wo Phoon. Practical Occupational Health. Singapore: P.G. Publishing Pte Ltd, 1983.

Cita MLA

Wo Phoon. Practical Occupational Health. Singapore: P.G. Publishing Pte Ltd, 1983.

Atenció: Aquestes cites poden no estar 100% correctes.