RUST ROLAND T. (1999). SERVICE MARKETING. ADDISON-WESLEY.
Chicago Style aipamenaRUST ROLAND T. SERVICE MARKETING. BOSTON: ADDISON-WESLEY, 1999.
MLA aipamenaRUST ROLAND T. SERVICE MARKETING. ADDISON-WESLEY, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.