European Ecological Symposium (2nd : 1980 : Berlin & Bornkamm, R. (1982). Urban ecology: The second European Ecological Syposium, Berlin, 8-12 September 1980. Blackwell Scientific Pub.
Čikaški stil citiranja (17. izdanje)European Ecological Symposium (2nd : 1980 : Berlin i R. Bornkamm. Urban Ecology: The Second European Ecological Syposium, Berlin, 8-12 September 1980. Oxford: Blackwell Scientific Pub, 1982.
MLA način citiranja (9. izdanje)European Ecological Symposium (2nd : 1980 : Berlin i R. Bornkamm. Urban Ecology: The Second European Ecological Syposium, Berlin, 8-12 September 1980. Blackwell Scientific Pub, 1982.
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