Faber, M. M., Manstetten, R., & Proops, J. L. R. (1996). Ecological economics: Concepts and methods. E. Elgar.
Lua i Stíl Chicago (17ú heag.)Faber, Malte Michael, Reiner Manstetten, agus John L. R. Proops. Ecological Economics: Concepts and Methods. Cheltenham, UK ; Brookfield, Vt., US: E. Elgar, 1996.
Lua MLA (9ú heag.)Faber, Malte Michael, et al. Ecological Economics: Concepts and Methods. E. Elgar, 1996.
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