APA
Ryan C., . (2002). High-performance interactive marketing : new techniques and technologies for winning and keeping customers. Viva Books, New Delhi: .
Chicago
Ryan Christopher, . 2002. High-performance interactive marketing : new techniques and technologies for winning and keeping customers. Viva Books, New Delhi: .
Harvard
Ryan C., . (2002). High-performance interactive marketing : new techniques and technologies for winning and keeping customers. Viva Books, New Delhi: .
MLA
Ryan Christopher, . High-performance interactive marketing : new techniques and technologies for winning and keeping customers. Viva Books, New Delhi: . 2002.