(1967). Amending Title 37, United States Code. August 1, 1967. -- Committed to the Committee of the Whole House on the State of the Union and ordered to be printed. [electronic resource].
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAmending Title 37, United States Code. August 1, 1967. -- Committed to the Committee of the Whole House on the State of the Union and Ordered to Be Printed. [electronic Resource]. 1967.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAmending Title 37, United States Code. August 1, 1967. -- Committed to the Committee of the Whole House on the State of the Union and Ordered to Be Printed. [electronic Resource]. 1967.
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