Dyfyniad APA

Markley, N. G. (2004). Principles of differential equations. New Jersey: Willey.

Dyfyniad Arddull Chicago

Markley, Nelson G. Principles of Differential Equations. New Jersey: Willey, 2004.

Dyfyniad MLA

Markley, Nelson G. Principles of Differential Equations. New Jersey: Willey, 2004.

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