Brown, A. (1989). Customer care management. Oxford: Butterworth - Heinemann.
Chicago Style aipamenaBrown, Andrew. Customer Care Management. Oxford: Butterworth - Heinemann, 1989.
MLA aipamenaBrown, Andrew. Customer Care Management. Oxford: Butterworth - Heinemann, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.