Cita APA (7a ed.)

Lucas, R. (2012). Customer services: Skills for success (6th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Lucas, Robert. Customer Services: Skills for Success. 6th ed. New York: McGraw-Hill, 2012.

Cita MLA (9a ed.)

Lucas, Robert. Customer Services: Skills for Success. 6th ed. McGraw-Hill, 2012.