APA (7th ed.) Zitazioa
Gamma,Erich....[et al]. (2005). Design patterns: Elements of reusable object-oriented software. Pearson Education.
Chicago Style (17th ed.) Zitazioa
Gamma,Erich....[et al]. Design Patterns: Elements of Reusable Object-oriented Software. Delhi: Pearson Education, 2005.
MLA (9th ed.) Zitazioa
Gamma,Erich....[et al]. Design Patterns: Elements of Reusable Object-oriented Software. Pearson Education, 2005.
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