Brannen, D. E., & Baker, L. W. (2005). Checks and balances: The three branches of the American government. UXL.
Citazione stile Chigago Style (17a edizione)Brannen, Daniel E., e Lawrence W. Baker. Checks and Balances: The Three Branches of the American Government. Detroit, Mich: UXL, 2005.
Citatione MLA (9a ed.)Brannen, Daniel E., e Lawrence W. Baker. Checks and Balances: The Three Branches of the American Government. UXL, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.