Aaker, D. A., Kumar, V., Leone, R. P., Day, G. S., & Adapted by Das, G. (2019). Marketing Research. Wiley India Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Aaker, David A., V. Kumar, Robert P. Leone, George S. Day, agus Gopal Adapted by Das. Marketing Research. New Delhi: Wiley India Pvt. Ltd, 2019.
Lua MLA (9ú heag.)Aaker, David A., et al. Marketing Research. Wiley India Pvt. Ltd, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.