(1991). Environmental Protection And International Law Editors Winfried Lang .... [et All]. Graham & Trotman.
Chicagoスタイル(17版)引用形式Environmental Protection And International Law Editors Winfried Lang .... [et All]. Graham & Trotman, 1991.
MLA(8版)引用形式Environmental Protection And International Law Editors Winfried Lang .... [et All]. Graham & Trotman, 1991.
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