MCKENNA REGIS. (1999). REAL TIME: PREPARING FOR THE AGE OF THE NEVER SATISFIDE CUSTOMER. HARVERD BUSINESS SCHOOL.
Chicago Style aipamenaMCKENNA REGIS. REAL TIME: PREPARING FOR THE AGE OF THE NEVER SATISFIDE CUSTOMER. BOSTON: HARVERD BUSINESS SCHOOL, 1999.
MLA aipamenaMCKENNA REGIS. REAL TIME: PREPARING FOR THE AGE OF THE NEVER SATISFIDE CUSTOMER. HARVERD BUSINESS SCHOOL, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.