Gamma, E. (2017). Design patterns: elements of reusable object-oriented: Software. Pearson.
Chicago-čujuhus (17. p.)Gamma, Erich. Design Patterns: Elements of Reusable Object-oriented: Software. Noida: Pearson, 2017.
MLA-čujuhus (9. p.)Gamma, Erich. Design Patterns: Elements of Reusable Object-oriented: Software. Pearson, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.