Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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