India Directorate Gen. of C. (1981). Monthly statistics of the foreign trade of India. Directoral Gen. of Com. Int. & Stat.
Chicago-čujuhus (17. p.)India Directorate Gen. of C. Monthly Statistics of the Foreign Trade of India. Calcutta: Directoral Gen. of Com. Int. & Stat, 1981.
MLA-čujuhus (9. p.)India Directorate Gen. of C. Monthly Statistics of the Foreign Trade of India. Directoral Gen. of Com. Int. & Stat, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.