LeSueur, J. (2007). Marketing Automation Practical Steps to More Effective Direct Marketing. John Wiley-Sons.
Lua i Stíl Chicago (17ú heag.)LeSueur, Jeff. Marketing Automation Practical Steps to More Effective Direct Marketing. John Wiley-Sons, 2007.
Lua MLA (8ú heag.)LeSueur, Jeff. Marketing Automation Practical Steps to More Effective Direct Marketing. John Wiley-Sons, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.