Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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