Cita APA (7th ed.)
Lucas, R. W. (2002). Customer service: Skills and concepts for success (2nd ed.). Glencoe/McGraw-Hill.
Cita Chicago (17th ed.)
Lucas, Robert W. Customer Service: Skills and Concepts for Success. 2nd ed. New York: Glencoe/McGraw-Hill, 2002.
Cita MLA (9th ed.)
Lucas, Robert W. Customer Service: Skills and Concepts for Success. 2nd ed. Glencoe/McGraw-Hill, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.