Cita APA (7th ed.)

Griffiths, D. (2009). Head first Rails. O'Reilly.

Cita Chicago (17th ed.)

Griffiths, David. Head First Rails. Beijing, Sebastopol: O'Reilly, 2009.

Cita MLA (9th ed.)

Griffiths, David. Head First Rails. O'Reilly, 2009.