National Society for the Study of Education. Committee on Early Childhood Education & Gordon, I. J. (1972). Early childhood education. NSSE; distributed by the University of Chicago Press.
Cytowanie według stylu Chicago (wyd. 17)National Society for the Study of Education. Committee on Early Childhood Education i Ira J. Gordon. Early Childhood Education. Chicago: NSSE; distributed by the University of Chicago Press, 1972.
Cytowanie według stylu MLA (wyd. 8)National Society for the Study of Education. Committee on Early Childhood Education i Ira J. Gordon. Early Childhood Education. NSSE; distributed by the University of Chicago Press, 1972.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..