APA
Sumathi S. &. S. P., . (2003). Marketing research and consumer behaviour. Vikas Publ, New Delhi: .
Chicago
Sumathi S & Saravanavel P, . 2003. Marketing research and consumer behaviour. Vikas Publ, New Delhi: .
Harvard
Sumathi S. &. S. P., . (2003). Marketing research and consumer behaviour. Vikas Publ, New Delhi: .
MLA
Sumathi S & Saravanavel P, . Marketing research and consumer behaviour. Vikas Publ, New Delhi: . 2003.