Sinha, R. N. (1990). Environment and human response. Concept.
Chicago-čujuhus (17. p.)Sinha, Ram Nandan. Environment and Human Response. New Delhi: Concept, 1990.
MLA-čujuhus (9. p.)Sinha, Ram Nandan. Environment and Human Response. Concept, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.