Jha, S. (2000). Services marketing.
Chicago Style aipamenaJha, S. Services Marketing. Mumbai, 2000.
MLA aipamenaJha, S. Services Marketing. 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Jha, S. (2000). Services marketing.
Chicago Style aipamenaJha, S. Services Marketing. Mumbai, 2000.
MLA aipamenaJha, S. Services Marketing. 2000.