APA (7e ed.) Bronvermelding

Não informado. (1973). Job safety and health. Occupational Safety and Health Administration.

Chicago (17e ed.) Bronvermelding

Não informado. Job Safety and Health. Washington: Occupational Safety and Health Administration, 1973.

MLA (8e ed.) Bronvermelding

Não informado. Job Safety and Health. Occupational Safety and Health Administration, 1973.

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