India. Ministry of Environment and Forests. (1980). Annual report 1989. Convention on International Trade in Endangered Species of Wild Fauna and Flora.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)India. Ministry of Environment and Forests. Annual Report 1989. New Delhi: Convention on International Trade in Endangered Species of Wild Fauna and Flora, 1980.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)India. Ministry of Environment and Forests. Annual Report 1989. Convention on International Trade in Endangered Species of Wild Fauna and Flora, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.