Παραπομπή APA

Grafton, R. Q., Pendlenton, L. H., Nelson, H. W., Pendleton, L. H., & Nelson, H. W. (2001). A dictionary of environmental economics, science, and policy. Cheltenham: Edward Elgar.

Παραπομπή Chicago Style

Grafton, R. Quentin, Linwood H. Pendlenton, Harry W. Nelson, Linwood H. Pendleton, and Harry W. Nelson. A Dictionary of Environmental Economics, Science, and Policy. Cheltenham: Edward Elgar, 2001.

Παραπομπή MLA

Grafton, R. Quentin, et al. A Dictionary of Environmental Economics, Science, and Policy. Cheltenham: Edward Elgar, 2001.

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