Não informado. (1967). Early Childhood Education. Alberta Teachers Association.
Chicagoスタイル(17版)引用形式Não informado. Early Childhood Education. Edmonton, Canada: Alberta Teachers Association, 1967.
MLA(8版)引用形式Não informado. Early Childhood Education. Alberta Teachers Association, 1967.
警告: この引用は必ずしも正確ではありません.