Não informado. (1973). Day Care and Early Education. Human Sciences Press.
Style de citation Chicago (17e éd.)Não informado. Day Care and Early Education. New York: Human Sciences Press, 1973.
Style de citation MLA (8e éd.)Não informado. Day Care and Early Education. Human Sciences Press, 1973.
Attention : ces citations peuvent ne pas être correctes à 100%.