Cita APA (7th ed.)

Sierra, K., & Bates, B. (2005). Head first Java (Second Edition.). O'Reilly.

Cita Chicago (17th ed.)

Sierra, Kathy, i Bert Bates. Head First Java. Second Edition. Beijing: O'Reilly, 2005.

Cita MLA (9th ed.)

Sierra, Kathy, i Bert Bates. Head First Java. Second Edition. O'Reilly, 2005.