Cita APA (7a ed.)

Castillo-Merino, D. (2008). A Theoretical Framework for the Economics of E-learning. Universitat Oberta de Catalunya.

Cita Chicago Style (17a ed.)

Castillo-Merino, David. A Theoretical Framework for the Economics of E-learning. Universitat Oberta de Catalunya, 2008.

Cita MLA (9a ed.)

Castillo-Merino, David. A Theoretical Framework for the Economics of E-learning. Universitat Oberta de Catalunya, 2008.