Dyfyniad APA

Gamma,Erich, & Vlissides, J. (1994). Design patterns: Elements of reusable object-oriented software. Addison-Wesley.

Dyfyniad Arddull Chicago

Gamma,Erich, và John Vlissides. Design Patterns: Elements of Reusable Object-oriented Software. Addison-Wesley, 1994.

Dyfyniad MLA

Gamma,Erich, và John Vlissides. Design Patterns: Elements of Reusable Object-oriented Software. Addison-Wesley, 1994.

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