(1997). The environment and emerging development issues: A study. Clarendon.
Chicago-čujuhus (17. p.)The Environment and Emerging Development Issues: A Study. Oxford: Clarendon, 1997.
MLA-čujuhus (9. p.)The Environment and Emerging Development Issues: A Study. Clarendon, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.