Não informado. (1969). Perspectives. Association for General and Liberal Studies.
Chicagoスタイル(17版)引用形式Não informado. Perspectives. Kalamazoo, Mich: Association for General and Liberal Studies, 1969.
MLA(8版)引用形式Não informado. Perspectives. Association for General and Liberal Studies, 1969.
警告: この引用は必ずしも正確ではありません.