Perry Lewis, J. (1969). An introduction to mathematics for students of economics (Ed.2.).
シカゴスタイル引用形Perry Lewis, J. An Introduction to Mathematics for Students of Economics. Ed.2. London, Macmillan, 1969.
MLA引用形式Perry Lewis, J. An Introduction to Mathematics for Students of Economics. Ed.2. 1969.
警告: この引用は必ずしも正確ではありません.