Dyfyniad APA

Vig, N. J., & Kraft, M. E. (1990). Environmental policy in the 1990s: Toward a new agenda. CQ Press.

Dyfyniad Arddull Chicago

Vig, Norman J., and Michael E. Kraft. Environmental Policy in the 1990s: Toward a New Agenda. Washington, D.C.: CQ Press, 1990.

Dyfyniad MLA

Vig, Norman J., and Michael E. Kraft. Environmental Policy in the 1990s: Toward a New Agenda. CQ Press, 1990.

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