Dyfyniad APA

Boyce, W. E., & DiPrima, R. C. (2009). Elementary differential equations (Ninth edition.). AUWSF.

Dyfyniad Arddull Chicago

Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations. Ninth edition. Hoboken: AUWSF, 2009.

Dyfyniad MLA

Boyce, William E., and Richard C. DiPrima. Elementary Differential Equations. Ninth edition. AUWSF, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.