Cita APA (7a ed.)
Gamma, E., & Booch, G. Design Patterns : Elements of Reusable Object-Oriented Software: Elements of Reusable Object-Oriented Software. Addison-Wesley.
Cita estilo Chicago (17a ed.)
Gamma, Erich, y Grady Booch. Design Patterns : Elements of Reusable Object-Oriented Software: Elements of Reusable Object-Oriented Software. Reading, EUA: Addison-Wesley.
Cita MLA (9a ed.)
Gamma, Erich, y Grady Booch. Design Patterns : Elements of Reusable Object-Oriented Software: Elements of Reusable Object-Oriented Software. Addison-Wesley.
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