APA (7e ed.) Bronvermelding

Não informado. (1960). Production Engineers. Institution of Production Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. Production Engineers. London: Institution of Production Engineers, 1960.

MLA (8e ed.) Bronvermelding

Não informado. Production Engineers. Institution of Production Engineers, 1960.

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