Gamma, E. (2016). Design patterns: Elements of reusable object-oriented software. Pearson.
Čikaški stil citiranjaGamma, Erich. Design Patterns: Elements of Reusable Object-oriented Software. Noida.: Pearson, 2016.
MLA način citiranjaGamma, Erich. Design Patterns: Elements of Reusable Object-oriented Software. Pearson, 2016.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.