APA (7th ed.) Zitazioa
Sierra, K. Head first Java: A brain-friendly guide. Shroff.
Chicago Style (17th ed.) Zitazioa
Sierra, Kathy. Head First Java: A Brain-friendly Guide. Shroff.
MLA (9th ed.) Zitazioa
Sierra, Kathy. Head First Java: A Brain-friendly Guide. Shroff.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.