Andersen, Peder, og Jørgen Birk Mortensen. 1991. “David W. Pearce and R. Kerry Turner, Economics of Natural Resources and the Environment. London: Harvester Wheatsheaf, 1990; 378 S. $ 22.95”. Politica 23 (2):218. https://doi.org/10.7146/politica.v23i2.69339.