Van der Ploeg, R., & Withagen, C. (2010). Is there really a green paradox? University of Oxford.
Chicago-čujuhus (17. p.)Van der Ploeg, R., juo C. Withagen. Is There Really a Green Paradox? University of Oxford, 2010.
MLA-čujuhus (9. p.)Van der Ploeg, R., juo C. Withagen. Is There Really a Green Paradox? University of Oxford, 2010.
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