Gaya APA

ALLI, B, O. (2008). FUNDAMENTAL PRINCIPLES OF OCCUPATIONAL HEALTH AND SAFETY, Second edition (Second edition). Geneva: INTERNATIONAL LABOUR OFFICE.

Gaya MLA

ALLI, Benjamin, O.. "FUNDAMENTAL PRINCIPLES OF OCCUPATIONAL HEALTH AND SAFETY, Second edition". Second edition Geneva: INTERNATIONAL LABOUR OFFICE, 2008. Koleksi Elektronik.