Knapp, D. E. (2000). The brand mindset. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Knapp, Duane E. The Brand Mindset. McGraw-Hill, 2000.
Lua MLA (8ú heag.)Knapp, Duane E. The Brand Mindset. McGraw-Hill, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.