Cita APA (7th ed.)
Pupo, R. (2010). America's service meltdown: Restoring service excellence in the age of the customer. Praeger/ABC-CLIO.
Cita Chicago (17th ed.)
Pupo, Raul. America's Service Meltdown: Restoring Service Excellence in the Age of the Customer. Santa Barbara, Calif.: Praeger/ABC-CLIO, 2010.
Cita MLA (9th ed.)
Pupo, Raul. America's Service Meltdown: Restoring Service Excellence in the Age of the Customer. Praeger/ABC-CLIO, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.