Balaji, B. (2006). Services marketing and management (2nd rev.). S Chand.
Chicago Style aipamenaBalaji, B. Services Marketing and Management. 2nd rev. New Delhi: S Chand, 2006.
MLA aipamenaBalaji, B. Services Marketing and Management. 2nd rev. S Chand, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.