Não informado. (1945). American vocational journal. American Vocational Association.
Chicago (17e ed.) BronvermeldingNão informado. American Vocational Journal. Washington: American Vocational Association, 1945.
MLA (8e ed.) BronvermeldingNão informado. American Vocational Journal. American Vocational Association, 1945.
Let op: Deze citaties zijn niet altijd 100% accuraat.