Cita APA (7th ed.)

Nielsen, J., & Budiu, R. (2013). Mobile Usability (1a. ed.). New Riders.

Cita Chicago (17th ed.)

Nielsen, Jakob, i Raluca Budiu. Mobile Usability. 1a. ed. Berkeley: New Riders, 2013.

Cita MLA (9th ed.)

Nielsen, Jakob, i Raluca Budiu. Mobile Usability. 1a. ed. New Riders, 2013.