Harrington, M. (1990). Socialism: Past and present. Penguin.
Chicagoスタイル(17版)引用形式Harrington, Michael. Socialism: Past and Present. New York: Penguin, 1990.
MLA(9版)引用形式Harrington, Michael. Socialism: Past and Present. Penguin, 1990.
警告: この引用は必ずしも正確ではありません.