Kotler Philip. (2007). Marketing Management (12th.). Pearson Education.
Lua i Stíl Chicago (17ú heag.)Kotler Philip. Marketing Management. 12th. New Delhi: Pearson Education, 2007.
Lua MLA (9ú heag.)Kotler Philip. Marketing Management. 12th. Pearson Education, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.