Dyfyniad APA

Erich Gamma. (2004). Design patterns: Elements of reusable object -oriented software. Pearson Education.

Dyfyniad Arddull Chicago

Erich Gamma. Design Patterns: Elements of Reusable Object -oriented Software. Pearson Education, 2004.

Dyfyniad MLA

Erich Gamma. Design Patterns: Elements of Reusable Object -oriented Software. Pearson Education, 2004.

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