Citazione Stile APA (7a Edizione)

Gamma, E. (2017). Design patterns: elements of reusable object-oriented: Software. Pearson.

Citazione stile Chigago Style (17a edizione)

Gamma, Erich. Design Patterns: Elements of Reusable Object-oriented: Software. Noida: Pearson, 2017.

Citatione MLA (9a ed.)

Gamma, Erich. Design Patterns: Elements of Reusable Object-oriented: Software. Pearson, 2017.