Gamma, E., Helm, R., Johnson, R., & Vlissides, J. (1995). Design patterns: Elements of reusable object-oriented software. Addison-Wesley.
Lua i Stíl Chicago (17ú heag.)Gamma, Erich, Richard Helm, Ralph Johnson, agus John Vlissides. Design Patterns: Elements of Reusable Object-oriented Software. Reading: Addison-Wesley, 1995.
Lua MLA (9ú heag.)Gamma, Erich, et al. Design Patterns: Elements of Reusable Object-oriented Software. Addison-Wesley, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.