Gaya APA

Wyman, J, R. (2000). Safety and the Security Professional: A Guide to Occupational Safety and Health Strategies (-). United Kingdom: Butterworth-Heinemann.

Gaya MLA

Wyman, John, Robert. "Safety and the Security Professional: A Guide to Occupational Safety and Health Strategies". - United Kingdom: Butterworth-Heinemann, 2000. Book.