SWARUP R. (1992). ENVIRONMENTAL PROBLEMS AND GLOBAL IMPERATIVES. MITTAL PUBLICATIONS.
Chicago-čujuhus (17. p.)SWARUP R. ENVIRONMENTAL PROBLEMS AND GLOBAL IMPERATIVES. NEW DELHI: MITTAL PUBLICATIONS, 1992.
MLA-čujuhus (9. p.)SWARUP R. ENVIRONMENTAL PROBLEMS AND GLOBAL IMPERATIVES. MITTAL PUBLICATIONS, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.