TEWARI O P. (1991). DIGEST OF CENTRAL EXCISE AND CUSTOMS CASES & GOLD CONTROL. WADHWA AND COMPANY.
Lua i Stíl Chicago (17ú heag.)TEWARI O P. DIGEST OF CENTRAL EXCISE AND CUSTOMS CASES & GOLD CONTROL. ALLAHABAD: WADHWA AND COMPANY, 1991.
Lua MLA (9ú heag.)TEWARI O P. DIGEST OF CENTRAL EXCISE AND CUSTOMS CASES & GOLD CONTROL. WADHWA AND COMPANY, 1991.
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