Isaak, A. (1987). An Introduction to politics. Scott, Foresman.
Chicagoスタイル(17版)引用形式Isaak, Alan. An Introduction to Politics. London: Scott, Foresman, 1987.
MLA(9版)引用形式Isaak, Alan. An Introduction to Politics. Scott, Foresman, 1987.
警告: この引用は必ずしも正確ではありません.