Lucas, R. W. (2005). Customer service: Building Successful Skills for the Twenty-First Century. New York: McGraw - Hill.
Chicago-стиль цитированияLucas, Robert W. Customer Service: Building Successful Skills for the Twenty-First Century. New York: McGraw - Hill, 2005.
MLA-цитированиеLucas, Robert W. Customer Service: Building Successful Skills for the Twenty-First Century. New York: McGraw - Hill, 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.