Citace podle APA

Porter, M., & Esty, D. (2000). Measurement of national environmental performance and its determining factors.

Styl Chicago

Porter, Michael, a Daniel Esty. Measurement of National Environmental Performance and Its Determining Factors. 2000.

Citace podle MLA

Porter, Michael, a Daniel Esty. Measurement of National Environmental Performance and Its Determining Factors. 2000.

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