Basantrai, K. (2000). Origin of science & ecological studies: FC - II - S.Y.B.Com (2nd.). Sheth.
Chicago-čujuhus (17. p.)Basantrai, K. Origin of Science & Ecological Studies: FC - II - S.Y.B.Com. 2nd. Mumbai: Sheth, 2000.
MLA-čujuhus (9. p.)Basantrai, K. Origin of Science & Ecological Studies: FC - II - S.Y.B.Com. 2nd. Sheth, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.