Nargundkar, R. Marketing Research: Text and Cases (3rd.). McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Nargundkar, Rajendra. Marketing Research: Text and Cases. 3rd. McGraw Hill.
Lua MLA (9ú heag.)Nargundkar, Rajendra. Marketing Research: Text and Cases. 3rd. McGraw Hill.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.