Não informado. (1972). Industrial Education. Crowell, Collier and Macmillan.
Chicagoスタイル(17版)引用形式Não informado. Industrial Education. Greenwich, Conn: Crowell, Collier and Macmillan, 1972.
MLA(8版)引用形式Não informado. Industrial Education. Crowell, Collier and Macmillan, 1972.
警告: この引用は必ずしも正確ではありません.