Bangladesh Parisaṃkhyāna Byuro. (2001). Statistical yearbook of Bangladesh 1999: বাংলাদেশ পরিসংখ্যান বর্ষগ্রন্থ-১৯৯৯ (Twentieth edition.). Bangladesh Bureau of Statistics, Statistics Division, Ministry of Planning, Govt. of the People's Republic of Bangladesh.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBangladesh Parisaṃkhyāna Byuro. Statistical Yearbook of Bangladesh 1999: বাংলাদেশ পরিসংখ্যান বর্ষগ্রন্থ-১৯৯৯. Twentieth edition. Dhaka: Bangladesh Bureau of Statistics, Statistics Division, Ministry of Planning, Govt. of the People's Republic of Bangladesh, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBangladesh Parisaṃkhyāna Byuro. Statistical Yearbook of Bangladesh 1999: বাংলাদেশ পরিসংখ্যান বর্ষগ্রন্থ-১৯৯৯. Twentieth edition. Bangladesh Bureau of Statistics, Statistics Division, Ministry of Planning, Govt. of the People's Republic of Bangladesh, 2001.