APA (7th ed.) Zitazioa
DiJulius, J. R. (2008). What's the secret?: To providing a world-class customer experience. Wiley.
Chicago Style (17th ed.) Zitazioa
DiJulius, John R. What's the Secret?: To Providing a World-class Customer Experience. Hoboken, N.J.: Wiley, 2008.
MLA (9th ed.) Zitazioa
DiJulius, John R. What's the Secret?: To Providing a World-class Customer Experience. Wiley, 2008.
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