Ahmad, Y. J. (1984). Environmental decision-making. Hodder and Stoughton.
Chicago-čujuhus (17. p.)Ahmad, Yusuf J. Environmental Decision-making. London: Hodder and Stoughton, 1984.
MLA-čujuhus (9. p.)Ahmad, Yusuf J. Environmental Decision-making. Hodder and Stoughton, 1984.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.