Cita APA (7a ed.)

Venugopal Reddy, V., & Manjulika, S. (2000). The World of open and distance learning. Viva Books.

Cita Chicago Style (17a ed.)

Venugopal Reddy, V., y S. Manjulika. The World of Open and Distance Learning. New Delhi: Viva Books, 2000.

Cita MLA (8a ed.)

Venugopal Reddy, V., y S. Manjulika. The World of Open and Distance Learning. Viva Books, 2000.