Kumar, S. (2010). Marketing management. A.K. Publ.
Lua i Stíl Chicago (17ú heag.)Kumar, Sandeep. Marketing Management. Delhi: A.K. Publ, 2010.
Lua MLA (9ú heag.)Kumar, Sandeep. Marketing Management. A.K. Publ, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.