APA (7e ed.) Bronvermelding

Não informado. (1963). Training directors journal. American Society of Training Directors.

Chicago (17e ed.) Bronvermelding

Não informado. Training Directors Journal. Alexandria, Va: American Society of Training Directors, 1963.

MLA (8e ed.) Bronvermelding

Não informado. Training Directors Journal. American Society of Training Directors, 1963.

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