Pearce, D. W., & Turner, R. K. (1990). Economics of natural resources and the environment. Johns Hopkins University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Pearce, David W., και R. Kerry Turner. Economics of Natural Resources and the Environment. Baltimore: Johns Hopkins University Press, 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)Pearce, David W., και R. Kerry Turner. Economics of Natural Resources and the Environment. Johns Hopkins University Press, 1990.