Birnie، Patricia (1977). "The Development of International Environmental Law". British Journal of International Studies. ج. 3 ع. 2: 169–190. DOI:10.1017/S0260210500116973. JSTOR:20096800.
jstor.org
Birnie، Patricia (1977). "The Development of International Environmental Law". British Journal of International Studies. ج. 3 ع. 2: 169–190. DOI:10.1017/S0260210500116973. JSTOR:20096800.