(1971). STATISTICAL DIGEST OF BANGLADESH: No. 7: 1970-71. Bangladesh Bureau of Statistics.
Cita Chicago (17th ed.)STATISTICAL DIGEST OF BANGLADESH: No. 7: 1970-71. Dacca: Bangladesh Bureau of Statistics, 1971.
Cita MLA (9th ed.)STATISTICAL DIGEST OF BANGLADESH: No. 7: 1970-71. Bangladesh Bureau of Statistics, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.