APA (7e ed.) Bronvermelding

Não informado. (1953). Occupational health review. Department of National Health and Welfare.

Chicago (17e ed.) Bronvermelding

Não informado. Occupational Health Review. Ottawa: Department of National Health and Welfare, 1953.

MLA (8e ed.) Bronvermelding

Não informado. Occupational Health Review. Department of National Health and Welfare, 1953.

Let op: Deze citaties zijn niet altijd 100% accuraat.