APA aipamena

Irons, K. (1997). The world of superservice: Creating profit through a passion for customer service. Harlow: Addison-Wesley.

Chicago Style aipamena

Irons, Ken. The World of Superservice: Creating Profit Through a Passion for Customer Service. Harlow: Addison-Wesley, 1997.

MLA aipamena

Irons, Ken. The World of Superservice: Creating Profit Through a Passion for Customer Service. Harlow: Addison-Wesley, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.