Cita APA (7th ed.)

Sierra, K., & Bates, B. (2005). Head first Java (2nd ed.). O'Reilly.

Cita Chicago (17th ed.)

Sierra, Kathy, i Bert Bates. Head First Java. 2nd ed. Sebastopol, Calif: O'Reilly, 2005.

Cita MLA (9th ed.)

Sierra, Kathy, i Bert Bates. Head First Java. 2nd ed. O'Reilly, 2005.