BHALLA G.S. (2001). INDIAN AGRICULTURE: FOUR DECADES OF DEVELOPMENT. SAGE PUBLICATIONS.
Lua i Stíl Chicago (17ú heag.)BHALLA G.S. INDIAN AGRICULTURE: FOUR DECADES OF DEVELOPMENT. NEW DELHI: SAGE PUBLICATIONS, 2001.
Lua MLA (9ú heag.)BHALLA G.S. INDIAN AGRICULTURE: FOUR DECADES OF DEVELOPMENT. SAGE PUBLICATIONS, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.