Não informado. (1940). Journal of College Placement. College Placement Council.
Chicago (17e ed.) BronvermeldingNão informado. Journal of College Placement. Bethlehem, Pa: College Placement Council, 1940.
MLA (8e ed.) BronvermeldingNão informado. Journal of College Placement. College Placement Council, 1940.
Let op: Deze citaties zijn niet altijd 100% accuraat.