India Directorate Gen. of C. (1981). Monthly statistics of the foreign trade of India. Directoral Gen. of Com. Int. & Stat.
Chicago-referens (17:e uppl.)India Directorate Gen. of C. Monthly Statistics of the Foreign Trade of India. Calcutta: Directoral Gen. of Com. Int. & Stat, 1981.
MLA-referens (9:e uppl.)India Directorate Gen. of C. Monthly Statistics of the Foreign Trade of India. Directoral Gen. of Com. Int. & Stat, 1981.
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