Coker, A., & Richard, C. (1995). Valuing the invironment: Economic approaches to environmental evaluation. John Wiley.
Citace podle Chicago (17th ed.)Coker, Annabel, a Cathy Richard. Valuing the Invironment: Economic Approaches to Environmental Evaluation. Chichester: John Wiley, 1995.
Citace podle MLA (8th ed.)Coker, Annabel, a Cathy Richard. Valuing the Invironment: Economic Approaches to Environmental Evaluation. John Wiley, 1995.
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