APA aipamena

Wells, D. T. (1996). Environmental policy: A global perspective for the twenty-first century. Prentice Hall.

Chicago Style aipamena

Wells, Donald T. Environmental Policy: A Global Perspective for the Twenty-first Century. Upper Saddle River, N.J: Prentice Hall, 1996.

MLA aipamena

Wells, Donald T. Environmental Policy: A Global Perspective for the Twenty-first Century. Prentice Hall, 1996.