APA (7e ed.) Bronvermelding

Não informado. (1964). Training in business and industry. Gellert Publishing.

Chicago (17e ed.) Bronvermelding

Não informado. Training in Business and Industry. New York: Gellert Publishing, 1964.

MLA (8e ed.) Bronvermelding

Não informado. Training in Business and Industry. Gellert Publishing, 1964.

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