Nargundkar, R. (2019). Marketing Research: Text and Cases (4th ed.). McGraw Hill Education (India) Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Nargundkar, Rajendra. Marketing Research: Text and Cases. 4th ed. Chennai: McGraw Hill Education (India) Pvt. Ltd, 2019.
Lua MLA (9ú heag.)Nargundkar, Rajendra. Marketing Research: Text and Cases. 4th ed. McGraw Hill Education (India) Pvt. Ltd, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.