Lucas, R. W. (2005). Customer service: Building Successful Skills for the Twenty-First Century. New York: McGraw - Hill.
Styl cytowania ChicagoLucas, Robert W. Customer Service: Building Successful Skills for the Twenty-First Century. New York: McGraw - Hill, 2005.
Styl cytowania MLALucas, Robert W. Customer Service: Building Successful Skills for the Twenty-First Century. New York: McGraw - Hill, 2005.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..