Cita APA (7th ed.)
Sierra, K. Head first Java: A brain-friendly guide. Shroff.
Cita Chicago (17th ed.)
Sierra, Kathy. Head First Java: A Brain-friendly Guide. Shroff.
Cita MLA (9th ed.)
Sierra, Kathy. Head First Java: A Brain-friendly Guide. Shroff.
Atenció: Aquestes cites poden no estar 100% correctes.