APA način citiranja

Lucas, R. W. (2005). Customer service: Building successful skills for the twenty-first century. Boston: McGraw-Hill Irwin.

Čikaški stil citiranja

Lucas, Robert W. Customer Service: Building Successful Skills for the Twenty-first Century. Boston: McGraw-Hill Irwin, 2005.

MLA način citiranja

Lucas, Robert W. Customer Service: Building Successful Skills for the Twenty-first Century. Boston: McGraw-Hill Irwin, 2005.