Não informado. (2014). Monthly Catalog of United States Government Publications. United States Government Publications.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Monthly Catalog of United States Government Publications. Washington: United States Government Publications, 2014.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Monthly Catalog of United States Government Publications. United States Government Publications, 2014.
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