Kurtz, D. L. (1998). Services marketing. New york, NY: John Wiley and Sons.
Chicago Style aipamenaKurtz, David L. Services Marketing. New york, NY: John Wiley and Sons, 1998.
MLA aipamenaKurtz, David L. Services Marketing. New york, NY: John Wiley and Sons, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.