Kotler, P. (2003). Marketing insights from A to Z: 80 concepts every mnager needs to know. John Wiley.
Lua i Stíl Chicago (17ú heag.)Kotler, Philip. Marketing Insights from A to Z: 80 Concepts Every Mnager Needs to Know. New Jersey: John Wiley, 2003.
Lua MLA (9ú heag.)Kotler, Philip. Marketing Insights from A to Z: 80 Concepts Every Mnager Needs to Know. John Wiley, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.