Richey, R. (2007). English for customer care. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Richey, Rosemary. English for Customer Care. Oxford: Oxford University Press, 2007.
Lua MLA (8ú heag.)Richey, Rosemary. English for Customer Care. Oxford University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.