Blyn, G. (1966). Agricultural trends in India: Output, availability, and productivity. University of Pennsylvania Press.
Chicago-referens (17:e uppl.)Blyn, George. Agricultural Trends in India: Output, Availability, and Productivity. Philadelphia: University of Pennsylvania Press, 1966.
MLA-referens (8:e uppl.)Blyn, George. Agricultural Trends in India: Output, Availability, and Productivity. University of Pennsylvania Press, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.