Vigor, P. (1971). Books on communism and the communist countries. London: Ampersand.
Chicagoスタイル(17版)引用形式Vigor, P.H. Books on Communism and the Communist Countries. London: Ampersand, 1971.
MLA(8版)引用形式Vigor, P.H. Books on Communism and the Communist Countries. London: Ampersand, 1971.
警告: この引用は必ずしも正確ではありません.