Commons, J. R. (1896). Proportional representation. T. Y. Crowell & co.
Chicagoスタイル(17版)引用形式Commons, John R. Proportional Representation. New York, Boston: T. Y. Crowell & co, 1896.
MLA(8版)引用形式Commons, John R. Proportional Representation. T. Y. Crowell & co, 1896.
警告: この引用は必ずしも正確ではありません.