Gaya APA

Cowell, R, (. (2008). Journal of Environmental Policy & Planning (Vol. 10 No. 4 December 2008; 313-442 hal). Oxon: Routledge-Taylor & Francis Group.

Gaya MLA

Cowell, Richard, (et.al). "Journal of Environmental Policy & Planning". Vol. 10 No. 4 December 2008; 313-442 hal Oxon: Routledge-Taylor & Francis Group, 2008. Text.