Vig, N. J., & Kraft, M. E. (2013). Environmental policy: New directions for the 21st century (8th ed.). CQ Press.
Chicago ZitierstilVig, Norman J., und Michael E. Kraft. Environmental Policy: New Directions for the 21st Century. 8th ed. Thousand Oaks,CA: CQ Press, 2013.
MLA ZitierstilVig, Norman J., und Michael E. Kraft. Environmental Policy: New Directions for the 21st Century. 8th ed. CQ Press, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.