APA (7e ed.) Bronvermelding

Não informado. (1944). Industrial health bulletin. Department of National Health and Welfare, Industrial Health Division.

Chicago (17e ed.) Bronvermelding

Não informado. Industrial Health Bulletin. Ottawa: Department of National Health and Welfare, Industrial Health Division, 1944.

MLA (8e ed.) Bronvermelding

Não informado. Industrial Health Bulletin. Department of National Health and Welfare, Industrial Health Division, 1944.

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