GURUSWAMY, L. D. (1994). Supplement Of Basic Documents To International Environmental Law And World Order A Problem-oriented Course Book Lakshman D. Guruswamy, Sir Geoffrey, W.r Palmer. West Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)GURUSWAMY, Laksman D. Supplement Of Basic Documents To International Environmental Law And World Order A Problem-oriented Course Book Lakshman D. Guruswamy, Sir Geoffrey, W.r Palmer. West Publishing, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)GURUSWAMY, Laksman D. Supplement Of Basic Documents To International Environmental Law And World Order A Problem-oriented Course Book Lakshman D. Guruswamy, Sir Geoffrey, W.r Palmer. West Publishing, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.