Freeman, E., & Robson, E. (2004). Head first design patterns (First edition.). OReilly.
芝加哥风格引文Freeman, Eric, 与 Elisabeth Robson. Head First Design Patterns. First edition. Sebastopol, CA: OReilly, 2004.
MLA引文Freeman, Eric, 与 Elisabeth Robson. Head First Design Patterns. First edition. OReilly, 2004.
警告：这些引文格式不一定是100％准确.