Sheth, J. N., & Shainesh, G. (2001). Customer Relationship Management. TMH.
Lua i Stíl Chicago (17ú heag.)Sheth, Jagdish N., agus G. Shainesh. Customer Relationship Management. New Delhi: TMH, 2001.
Lua MLA (9ú heag.)Sheth, Jagdish N., agus G. Shainesh. Customer Relationship Management. TMH, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.