Cita APA

Covella, G. J., & Olsina Santos, L. A. (2002). Specifying quality characteristics and attributes for E-Learning sites. Web

Citación estilo Chicago

Covella, Guillermo Juan, and Luis Antonio Olsina Santos. Specifying Quality Characteristics and Attributes for E-Learning Sites. 2002.

Cita MLA

Covella, Guillermo Juan, and Luis Antonio Olsina Santos. Specifying Quality Characteristics and Attributes for E-Learning Sites. 2002.