Não informado. (1979). American Journal of Education. University of Chicago Press.
Chicago (17e ed.) BronvermeldingNão informado. American Journal of Education. Chicago, Ill: University of Chicago Press, 1979.
MLA (8e ed.) BronvermeldingNão informado. American Journal of Education. University of Chicago Press, 1979.
Let op: Deze citaties zijn niet altijd 100% accuraat.