GALE BRADLEY T. (1994). MANAGING CUSTOMER VALUE: CREATING QUALITY & SERVICE THAT CUSTOMER CAN SEE. FREE PRESS.
Chicago Style aipamenaGALE BRADLEY T. MANAGING CUSTOMER VALUE: CREATING QUALITY & SERVICE THAT CUSTOMER CAN SEE. NEW YORK: FREE PRESS, 1994.
MLA aipamenaGALE BRADLEY T. MANAGING CUSTOMER VALUE: CREATING QUALITY & SERVICE THAT CUSTOMER CAN SEE. FREE PRESS, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.