APA
Varma G., . (2005). On-line marketing. New Century, New Delhi: .
Chicago
Varma Gaytri, . 2005. On-line marketing. New Century, New Delhi: .
Harvard
Varma G., . (2005). On-line marketing. New Century, New Delhi: .
MLA
Varma Gaytri, . On-line marketing. New Century, New Delhi: . 2005.