อ้างอิง ของ รัฐบาลกลางสหรัฐ

  1. ↑ US House Official Website House.gov Retrieved on 17 August 2008
  2. 1 2 3 Article II, Constitution of the United States of America
  3. ↑ Barack, Obama (2009-04-27). "Delegation of Certain Authority Under the National Defense Authorization Act for Fiscal Year 2008". United States. สืบค้นเมื่อ 2009-07-01.
  4. ↑ Amendment XXIII to the United States Constitution
  5. ↑ Goldstein, Joel K. (1995). "The New Constitutional Vice Presidency". Wake Forest Law Review. Winston Salem, NC: Wake Forest Law Review Association, Inc. 30 (505).
  6. ↑ Reynolds, Glenn Harlan (2007). "Is Dick Cheney Unconstitutional?". Northwestern University Law Review Colloquy. Chicago: Northwestern University School of Law. 102 (110).


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