Cita APA (7a ed.)
Gamma,Erich....[et al]. (2005). Design patterns: Elements of reusable object-oriented software. Pearson Education.
Cita Chicago Style (17a ed.)
Gamma,Erich....[et al]. Design Patterns: Elements of Reusable Object-oriented Software. Delhi: Pearson Education, 2005.
Cita MLA (9a ed.)
Gamma,Erich....[et al]. Design Patterns: Elements of Reusable Object-oriented Software. Pearson Education, 2005.
Precaución: Estas citas no son 100% exactas.