Pakistan. Central Board of Revenue. Pakistan customs tariff. Print. & Pub. Dept., Custom House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPakistan. Central Board of Revenue. Pakistan Customs Tariff. Karachi: Print. & Pub. Dept., Custom House.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPakistan. Central Board of Revenue. Pakistan Customs Tariff. Print. & Pub. Dept., Custom House.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.