O'BRIEN, F. (1965). Crisis in world communism: Marxism in search in search of efficiency. The free press.
Chicagoスタイル(17版)引用形式O'BRIEN, Frank. Crisis in World Communism: Marxism in Search in Search of Efficiency. New york: The free press, 1965.
MLA(9版)引用形式O'BRIEN, Frank. Crisis in World Communism: Marxism in Search in Search of Efficiency. The free press, 1965.
警告: この引用は必ずしも正確ではありません.