Jain R.K. (2009). ITC(HS) classification of export and import items(with CustomsTariff Rates and exemptions)/14e (14th ed.). Centax.
Chicago-tyylinen lähdeviittausJain R.K. ITC(HS) Classification of Export and Import Items(with CustomsTariff Rates and Exemptions)/14e. 14th ed. Centax, 2009.
MLA-viiteJain R.K. ITC(HS) Classification of Export and Import Items(with CustomsTariff Rates and Exemptions)/14e. 14th ed. Centax, 2009.
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