APA (7e ed.) Bronvermelding

Hammer, W. (1985). Occupational safety management and engineering (3ª ed.). Prentice Hall.

Chicago (17e ed.) Bronvermelding

Hammer, Willie. Occupational Safety Management and Engineering. 3ª ed. Prentice Hall, 1985.

MLA (9e ed.) Bronvermelding

Hammer, Willie. Occupational Safety Management and Engineering. 3ª ed. Prentice Hall, 1985.

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