APA (7e ed.) Bronvermelding

Não informado. (1963). Occupational safety and health abstracts. International Occupational Safety and Health Information Centre.

Chicago (17e ed.) Bronvermelding

Não informado. Occupational Safety and Health Abstracts. Geneva, Suíça: International Occupational Safety and Health Information Centre, 1963.

MLA (8e ed.) Bronvermelding

Não informado. Occupational Safety and Health Abstracts. International Occupational Safety and Health Information Centre, 1963.

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