Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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