Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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