Indian Institute of Foreign Trade, India. Ministry of Commerce, Varma, M. L., Bhattacharyya, B., & Varshney, R. L. (1975). GATT preferential arrangement among developing countries. India Institute of Foreign Trade.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Indian Institute of Foreign Trade, India. Ministry of Commerce, M. L. Varma, B. Bhattacharyya, و Roshan Lal Varshney. GATT Preferential Arrangement Among Developing Countries. New Delhi: India Institute of Foreign Trade, 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Indian Institute of Foreign Trade, et al. GATT Preferential Arrangement Among Developing Countries. India Institute of Foreign Trade, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.