Patkar & Ajagaonkar. (2008). Business Environment. Sheth.
Lua i Stíl Chicago (17ú heag.)Patkar & Ajagaonkar. Business Environment. Sheth, 2008.
Lua MLA (9ú heag.)Patkar & Ajagaonkar. Business Environment. Sheth, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.