APA (7e ed.) Bronvermelding

(1970). International occupational safety health congress. International Labour Office.

Chicago (17e ed.) Bronvermelding

International Occupational Safety Health Congress. Geneva: International Labour Office, 1970.

MLA (9e ed.) Bronvermelding

International Occupational Safety Health Congress. International Labour Office, 1970.

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