Cohn, P. M. (1971). Free Rings and Their Relations. London: Academic Press.
シカゴスタイル引用形Cohn, P. M. Free Rings and Their Relations. London: Academic Press, 1971.
MLA引用形式Cohn, P. M. Free Rings and Their Relations. London: Academic Press, 1971.
警告: この引用は必ずしも正確ではありません.