APA-referens (7:e uppl.)

Freeman, E., Freeman, E., Sierra, K., & Bates, B. (2004). Head First design patterns. O'Reilly ; Shroff publishers & distributors.

Chicago-referens (17:e uppl.)

Freeman, Eric, Elisabeth Freeman, Kathy Sierra, och Bert Bates. Head First Design Patterns. Sebastopol, CA : New Delhi: O'Reilly ; Shroff publishers & distributors, 2004.

MLA-referens (8:e uppl.)

Freeman, Eric, et al. Head First Design Patterns. O'Reilly ; Shroff publishers & distributors, 2004.