Freeman, E. (2017). Head first design patterns: : a brain-friendly guide. Shroff publishers & distributors.
Chicago Style aipamenaFreeman, Eric. Head First Design Patterns: : A Brain-friendly Guide. Banglore: Shroff publishers & distributors, 2017.
MLA aipamenaFreeman, Eric. Head First Design Patterns: : A Brain-friendly Guide. Shroff publishers & distributors, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.