Não informado. (1973). Teaching political science. Heldref Publications.
Chicagoスタイル(17版)引用形式Não informado. Teaching Political Science. Washington: Heldref Publications, 1973.
MLA(8版)引用形式Não informado. Teaching Political Science. Heldref Publications, 1973.
警告: この引用は必ずしも正確ではありません.