Lua APA (7ú heag.)

Barnes, J. G. (2003). Secrets of customer relationship management. Andi.

Lua i Stíl Chicago (17ú heag.)

Barnes, James G. Secrets of Customer Relationship Management. Andi, 2003.

Lua MLA (8ú heag.)

Barnes, James G. Secrets of Customer Relationship Management. Andi, 2003.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.