Cita APA (7a ed.)

Castillo Merino, D., & Sjöberg, M. (2008). The Economics of E-learning. Editorial UOC.

Cita Chicago Style (17a ed.)

Castillo Merino, David, y Mikael Sjöberg. The Economics of E-learning. Barcelona: Editorial UOC, 2008.

Cita MLA (8a ed.)

Castillo Merino, David, y Mikael Sjöberg. The Economics of E-learning. Editorial UOC, 2008.