Winer, R. S., & Dhar, R. (2011). Marketing management (4th ed.). Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Winer, Russell S., agus Ravi Dhar. Marketing Management. 4th ed. Upper Saddle River, N.J.: Pearson Prentice Hall, 2011.
Lua MLA (8ú heag.)Winer, Russell S., agus Ravi Dhar. Marketing Management. 4th ed. Pearson Prentice Hall, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.