(1995). The economics of sustainable development. University Pr.
Chicago-čujuhus (17. p.)The Economics of Sustainable Development. Cambridge: University Pr, 1995.
MLA-čujuhus (9. p.)The Economics of Sustainable Development. University Pr, 1995.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.