Παραπομπή σε μορφή APA (7η εκδ.)

MCKENNA REGIS. (1999). REAL TIME: PREPARING FOR THE AGE OF THE NEVER SATISFIDE CUSTOMER. HARVERD BUSINESS SCHOOL.

Παραπομπή σε μορφή Chicago (17η εκδ.)

MCKENNA REGIS. REAL TIME: PREPARING FOR THE AGE OF THE NEVER SATISFIDE CUSTOMER. BOSTON: HARVERD BUSINESS SCHOOL, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

MCKENNA REGIS. REAL TIME: PREPARING FOR THE AGE OF THE NEVER SATISFIDE CUSTOMER. HARVERD BUSINESS SCHOOL, 1999.