Não informado. (1973). Day Care and Early Education. Human Sciences Press.
Chicagoスタイル(17版)引用形式Não informado. Day Care and Early Education. New York: Human Sciences Press, 1973.
MLA(8版)引用形式Não informado. Day Care and Early Education. Human Sciences Press, 1973.
警告: この引用は必ずしも正確ではありません.