Ubiquitous and Pervasive Commerce
MLA
Roussos, and George Roussos. Ubiquitous and Pervasive Commerce. Springer London, 2006.
APA
Roussos, R., & Roussos, G. (2006). Ubiquitous and Pervasive Commerce. Springer London.
Chicago
Roussos, and George Roussos. Ubiquitous and Pervasive Commerce. : Springer London, 2006.