APA aipamena

Field,Barry C, & Field,Martha K. (2002). Environmental economics: An introduction (3.). McGraw Hill.

Chicago Style aipamena

Field,Barry C, and Field,Martha K. Environmental Economics: An Introduction. 3. New York: McGraw Hill, 2002.

MLA aipamena

Field,Barry C, and Field,Martha K. Environmental Economics: An Introduction. 3. McGraw Hill, 2002.

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