एपीए उद्धरण

Gaurav Chadha. (2002). E-learning: An expression of the knowledge economy. New Delhi: Tata McGraw-Hill.

शिकागो स्टाइल उद्धरण

Gaurav Chadha. E-learning: An Expression of the Knowledge Economy. New Delhi: Tata McGraw-Hill, 2002.

एमएलए उद्धरण

Gaurav Chadha. E-learning: An Expression of the Knowledge Economy. New Delhi: Tata McGraw-Hill, 2002.