Crossley,J N. (1972). What is mathematical logic ? Oxford University.
シカゴスタイル引用形Crossley,J N. What Is Mathematical Logic ? New York: Oxford University, 1972.
MLA引用形式Crossley,J N. What Is Mathematical Logic ? Oxford University, 1972.
警告: この引用は必ずしも正確ではありません.