Aswathapa, K. (2011). Essential of business environment (11th rev.). Himalaya Publishing House, New Delhi.
Lua i Stíl Chicago (17ú heag.)Aswathapa, K. Essential of Business Environment. 11th rev. Himalaya Publishing House, New Delhi, 2011.
Lua MLA (9ú heag.)Aswathapa, K. Essential of Business Environment. 11th rev. Himalaya Publishing House, New Delhi, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.