Παραπομπή σε μορφή APA (7η εκδ.)
Colley R & Lee Norman. (1992). Reviewing the quality of environmental statements (2nd ed.). University of Manchester. Department of Planning and Landscape.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Colley R και Lee Norman. Reviewing the Quality of Environmental Statements. 2nd ed. University of Manchester. Department of Planning and Landscape, 1992.
Παραπομπή σε μορφή MLA (9th εκδ.)
Colley R και Lee Norman. Reviewing the Quality of Environmental Statements. 2nd ed. University of Manchester. Department of Planning and Landscape, 1992.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.