Cita APA (7th ed.)

Leventhal, L. M., & Barnes, J. A. (2008). Usability engineering: Process, products, and examples (1a. ed.). Pearson Education Inc.

Cita Chicago (17th ed.)

Leventhal, Laura M., i Julie A. Barnes. Usability Engineering: Process, Products, and Examples. 1a. ed. Upper Saddle River: Pearson Education Inc, 2008.

Cita MLA (9th ed.)

Leventhal, Laura M., i Julie A. Barnes. Usability Engineering: Process, Products, and Examples. 1a. ed. Pearson Education Inc, 2008.