Sidlow, E., & Henschen, B. (1998). America at odds: An introduction to American government. West, Wadsworth.
Citazione stile Chigago Style (17a edizione)Sidlow, Edward, e Beth Henschen. America at Odds: An Introduction to American Government. Belmont, Calif. [u.a.]: West, Wadsworth, 1998.
Citatione MLA (9a ed.)Sidlow, Edward, e Beth Henschen. America at Odds: An Introduction to American Government. West, Wadsworth, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.