Sawyer, W. W. (1961). What is calculus about? Mathematical Association of America.
Chicagoスタイル(17版)引用形式Sawyer, W. W. What Is Calculus About? Washington, D.C: Mathematical Association of America, 1961.
MLA(9版)引用形式Sawyer, W. W. What Is Calculus About? Mathematical Association of America, 1961.
警告: この引用は必ずしも正確ではありません.