Não informado. (1964). Education age. Minnesota Mining Manufacturing.
Chicagoスタイル(17版)引用形式Não informado. Education Age. Saint Paul, Minn: Minnesota Mining Manufacturing, 1964.
MLA(8版)引用形式Não informado. Education Age. Minnesota Mining Manufacturing, 1964.
警告: この引用は必ずしも正確ではありません.