एपीए उद्धरण

Erich Gamma...[et al.]. (1995). Design patterns: Elements of Reusable Object-Oriented Software. Addison-Wesley.

शिकागो स्टाइल उद्धरण

Erich Gamma...[et al.]. Design Patterns: Elements of Reusable Object-Oriented Software. Massachusetts: Addison-Wesley, 1995.

एमएलए उद्धरण

Erich Gamma...[et al.]. Design Patterns: Elements of Reusable Object-Oriented Software. Addison-Wesley, 1995.