Παραπομπή APA

Gamma, E., Helm, R., Johnson, R. E., & Vlissides, J. (1995). Design patterns: Elements of reusable object-oriented software. Reading, Mass.: Addison-Wesley.

Παραπομπή Chicago Style

Gamma, Erich., Richard Helm, Ralph E. Johnson, and John Vlissides. Design Patterns: Elements of Reusable Object-oriented Software. Reading, Mass.: Addison-Wesley, 1995.

Παραπομπή MLA

Gamma, Erich., Richard Helm, Ralph E. Johnson, and John Vlissides. Design Patterns: Elements of Reusable Object-oriented Software. Reading, Mass.: Addison-Wesley, 1995.

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