APA (7e ed.) Bronvermelding

Campbell, H. E., & Corley, E. A. (2012). Urban environmental policy analysis. M.E. Sharpe.

Chicago (17e ed.) Bronvermelding

Campbell, Heather E., en Elizabeth A. Corley. Urban Environmental Policy Analysis. Armonk, N.Y.: M.E. Sharpe, 2012.

MLA (8e ed.) Bronvermelding

Campbell, Heather E., en Elizabeth A. Corley. Urban Environmental Policy Analysis. M.E. Sharpe, 2012.