Cita APA

Norman J.Vig(ed.) & Michael E.Kraft(ed.). (2013). Environmental Policy: New directions for the 21st century (8.). Sage.

Chicago Edition Citation

Norman J.Vig(ed.) i Michael E.Kraft(ed.). Environmental Policy: New Directions for the 21st Century. 8. New Delhi: Sage, 2013.

Cita MLA

Norman J.Vig(ed.) i Michael E.Kraft(ed.). Environmental Policy: New Directions for the 21st Century. 8. Sage, 2013.