Lua APA (7ú heag.)
Harris, E. K. (2013). Customer service: A practical approach (6th ed.). Pearson.
Lua i Stíl Chicago (17ú heag.)
Harris, Elaine K. Customer Service: A Practical Approach. 6th ed. Boston: Pearson, 2013.
Lua MLA (9ú heag.)
Harris, Elaine K. Customer Service: A Practical Approach. 6th ed. Pearson, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.