Blyn, G. (1966). Agricultural trends in India: Output, availability, and productivity. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)Blyn, George. Agricultural Trends in India: Output, Availability, and Productivity. Philadelphia: University of Pennsylvania Press, 1966.
Lua MLA (8ú heag.)Blyn, George. Agricultural Trends in India: Output, Availability, and Productivity. University of Pennsylvania Press, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.