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.
Citação do estilo Chicago (17ª ed.)National Society for the Study of Education. Committee on Early Childhood Education e Ira J. Gordon. Early Childhood Education. Chicago: NSSE; distributed by the University of Chicago Press, 1972.
Citação MLA (8ª ed.)National Society for the Study of Education. Committee on Early Childhood Education e Ira J. Gordon. Early Childhood Education. NSSE; distributed by the University of Chicago Press, 1972.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.