APA引文

Gamma, E. (2003). Design patterns (27. print.). Boston, Mass. [u.a.].

Chicago Style Citation

Gamma, Erich. Design Patterns. 27. print. Boston, Mass. [u.a.], 2003.

MLA引文

Gamma, Erich. Design Patterns. 27. print. Boston, Mass. [u.a.], 2003.

警告：這些引文格式不一定是100％准確.