Dyfyniad APA

Boyce, W. E., & DiPrima, R. C. Elementary differential equations (Ninth edition.). Wiley.

Dyfyniad Arddull Chicago

Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Hoboken: Wiley.

Dyfyniad MLA

Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Wiley.

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