United States. Bureau of the Census. Population Division & United States. Bureau of the Census. (1980). A compilation of age-specific fertility rates for developing countries. U.S. Dept. of Commerce, Bureau of Census : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিUnited States. Bureau of the Census. Population Division এবং United States. Bureau of the Census. A Compilation of Age-specific Fertility Rates for Developing Countries. Washington: U.S. Dept. of Commerce, Bureau of Census : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিUnited States. Bureau of the Census. Population Division এবং United States. Bureau of the Census. A Compilation of Age-specific Fertility Rates for Developing Countries. U.S. Dept. of Commerce, Bureau of Census : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1980.