Não informado. (1979). European Journal of Education. Carfax Publishing.
Chicago (17e ed.) BronvermeldingNão informado. European Journal of Education. Oxford, Inglaterra: Carfax Publishing, 1979.
MLA (8e ed.) BronvermeldingNão informado. European Journal of Education. Carfax Publishing, 1979.
Let op: Deze citaties zijn niet altijd 100% accuraat.