Cita APA (7th ed.)

Griffiths, D., & Griffiths, D. (2017). Head first Android development: A brain-friendly guide (2nd edition.). O'Reilly Media, Inc..

Cita Chicago (17th ed.)

Griffiths, Dawn, i David Griffiths. Head First Android Development: A Brain-friendly Guide. 2nd edition. Sebastopol, CA: O'Reilly Media, Inc., 2017.

Cita MLA (8th ed.)

Griffiths, Dawn, i David Griffiths. Head First Android Development: A Brain-friendly Guide. 2nd edition. O'Reilly Media, Inc., 2017.