APA (7e ed.) Bronvermelding

Não informado. (1987). Safety and health at work. International Occupational Safety and Health Information Centre.

Chicago (17e ed.) Bronvermelding

Não informado. Safety and Health at Work. Geneva, Suíça: International Occupational Safety and Health Information Centre, 1987.

MLA (8e ed.) Bronvermelding

Não informado. Safety and Health at Work. International Occupational Safety and Health Information Centre, 1987.

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