Balagi, B. (2002). Services marketing and management. S.Chand.
Chicago Style aipamenaBalagi, B. Services Marketing and Management. New Delhi: S.Chand, 2002.
MLA aipamenaBalagi, B. Services Marketing and Management. S.Chand, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.