Boyce, W. E., & DiPrima, R. C. Elementary differential equations (Ninth edition.). Wiley.
Chicagoスタイル(17版)引用形式Boyce, William E., , Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Hoboken: Wiley.
MLA(9版)引用形式Boyce, William E., , Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Wiley.
警告: この引用は必ずしも正確ではありません.