Freeman, E., & Robson, E. (2004). Head first design patterns (First edition.). OReilly.
Chicago-čujuhus (17. p.)Freeman, Eric, juo Elisabeth Robson. Head First Design Patterns. First edition. Sebastopol, CA: OReilly, 2004.
MLA-čujuhus (9. p.)Freeman, Eric, juo Elisabeth Robson. Head First Design Patterns. First edition. OReilly, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.