Παραπομπή σε μορφή APA (7η εκδ.)

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..

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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.