Cita APA (7th ed.)
Gamma,Erich....[et al]. (2005). Design patterns: Elements of reusable object-oriented software. Pearson Education.
Cita Chicago (17th ed.)
Gamma,Erich....[et al]. Design Patterns: Elements of Reusable Object-oriented Software. Delhi: Pearson Education, 2005.
Cita MLA (9th ed.)
Gamma,Erich....[et al]. Design Patterns: Elements of Reusable Object-oriented Software. Pearson Education, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.