APA-viite (7. p.)
Hacker, J. S., & Pierson, P. (2005). Off center: The Republican revolution and the erosion of American democracy. Yale University Press.
Chicago-viite (17. p.)
Hacker, Jacob S., ja Paul Pierson. Off Center: The Republican Revolution and the Erosion of American Democracy. New Haven: Yale University Press, 2005.
MLA-viite (9. p.)
Hacker, Jacob S., ja Paul Pierson. Off Center: The Republican Revolution and the Erosion of American Democracy. Yale University Press, 2005.
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