Singh, G. (2006). Marketing strategies of small and medium scale industry. Deep & Deep.
Lua i Stíl Chicago (17ú heag.)Singh, Gajendra. Marketing Strategies of Small and Medium Scale Industry. New Delhi: Deep & Deep, 2006.
Lua MLA (9ú heag.)Singh, Gajendra. Marketing Strategies of Small and Medium Scale Industry. Deep & Deep, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.