Vig, N. J., & Kraft, M. E. (1990). Environmental policy in the 1990s: Toward a new agenda. CQ Press.
芝加哥风格引文Vig, Norman J., 与 Michael E. Kraft. Environmental Policy in the 1990s: Toward a New Agenda. Washington, D.C.: CQ Press, 1990.
MLA引文Vig, Norman J., 与 Michael E. Kraft. Environmental Policy in the 1990s: Toward a New Agenda. CQ Press, 1990.
警告:这些引文格式不一定是100%准确.