Choudhry, N. A. (1979). Customs rules and notifications: Part IX rules and notifications, 1978 with sales tax rates, exemptions and rebates [as amended upto 25th July, 1979]. Tariq Najib Corp..
Lua i Stíl Chicago (17ú heag.)Choudhry, Najib A. Customs Rules and Notifications: Part IX Rules and Notifications, 1978 with Sales Tax Rates, Exemptions and Rebates [as Amended Upto 25th July, 1979]. Lahore: Tariq Najib Corp., 1979.
Lua MLA (8ú heag.)Choudhry, Najib A. Customs Rules and Notifications: Part IX Rules and Notifications, 1978 with Sales Tax Rates, Exemptions and Rebates [as Amended Upto 25th July, 1979]. Tariq Najib Corp., 1979.
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