Boyce, W. E., & DiPrima, R. C. Elementary differential equations (Ninth edition.). Wiley.
Chicago Style (17th ed.) CitationBoyce, William E., and Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Hoboken: Wiley.
MLA引文Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Wiley.
警告:這些引文格式不一定是100%准確.