Dyfyniad APA

Gamma, E. (2011). Design patterns: Elements of reusable object-oriented software. Pearson.

Dyfyniad Arddull Chicago

Gamma, Erich. Design Patterns: Elements of Reusable Object-oriented Software. New Delhi: Pearson, 2011.

Dyfyniad MLA

Gamma, Erich. Design Patterns: Elements of Reusable Object-oriented Software. Pearson, 2011.

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