Nargundkar, R. (2010). Services Marketing (3rd.). TMH.
Lua i Stíl Chicago (17ú heag.)Nargundkar, Rajendra. Services Marketing. 3rd. TMH, 2010.
Lua MLA (9ú heag.)Nargundkar, Rajendra. Services Marketing. 3rd. TMH, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.