Gaya APA

Gamma, Erich.. (1996). Design patterns: elements of reusable object-oriented software . mau: Addison Wesley.

Gaya Chicago

Gamma, Erich.. Design patterns: elements of reusable object-oriented software. mau: Addison Wesley, 1996. print.

Gaya MLA

Gamma, Erich.. Design patterns: elements of reusable object-oriented software. mau: Addison Wesley, 1996. print.

Gaya Turabian

Gamma, Erich.. Design patterns: elements of reusable object-oriented software. mau: Addison Wesley, 1996. print.