Seffah, A., Gulliksen, J., & Desmarais, M. C. (2005). Human-Centered Software Engineering β Integrating Usability in the Software Development Lifecycle. Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)Seffah, Ahmed, Jan Gulliksen, και Michel C. Desmarais. Human-Centered Software Engineering β Integrating Usability in the Software Development Lifecycle. Dordrecht: Springer, 2005.
Παραπομπή σε μορφή MLA (8th εκδ.)Seffah, Ahmed, et al. Human-Centered Software Engineering β Integrating Usability in the Software Development Lifecycle. Springer, 2005.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.