APA
Rusf T. Roland Khanna P.K, . (2002). O-service New divections in theory and Practice. New Delhi: Prentice hall of India.
Chicago
Rusf T. Roland Khanna P.K, . 2002. O-service New divections in theory and Practice. New Delhi: Prentice hall of India.
Harvard
Rusf T. Roland Khanna P.K, . (2002). O-service New divections in theory and Practice. New Delhi: Prentice hall of India.
MLA
Rusf T. Roland Khanna P.K, . O-service New divections in theory and Practice. New Delhi: Prentice hall of India. 2002.