APA (7e ed.) Bronvermelding

Kraft, M. E. (2011). Environmental policy and politics (Fifth edition.). Pearson Education, Inc.

Chicago (17e ed.) Bronvermelding

Kraft, Michael E. Environmental Policy and Politics. Fifth edition. Upper Saddle River, N.J: Pearson Education, Inc, 2011.

MLA (9e ed.) Bronvermelding

Kraft, Michael E. Environmental Policy and Politics. Fifth edition. Pearson Education, Inc, 2011.