Das, H. C. L. (1993). Agricultural efficiency in lndia: An inter - regional analysis. Mittal.
Chicago-čujuhus (17. p.)Das, Hem Chandra Lal. Agricultural Efficiency in Lndia: An Inter - Regional Analysis. New Delhi: Mittal, 1993.
MLA-čujuhus (9. p.)Das, Hem Chandra Lal. Agricultural Efficiency in Lndia: An Inter - Regional Analysis. Mittal, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.