(1991). Environmental Protection And International Law Editors Winfried Lang .... [et All]. Graham & Trotman.
Čikaški stil citiranja (17. izdanje)Environmental Protection And International Law Editors Winfried Lang .... [et All]. Graham & Trotman, 1991.
MLA način citiranja (8. izdanje)Environmental Protection And International Law Editors Winfried Lang .... [et All]. Graham & Trotman, 1991.
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