Edited by Lykke , E. (1992). Achieving environmental goals : the concept and practice of environmental performance: Review. Belhaven pr.
Chicago-čujuhus (17. p.)Edited by Lykke , Erik. Achieving Environmental Goals : The Concept and Practice of Environmental Performance: Review. London: Belhaven pr, 1992.
MLA-čujuhus (9. p.)Edited by Lykke , Erik. Achieving Environmental Goals : The Concept and Practice of Environmental Performance: Review. Belhaven pr, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.