APA-viite (7. p.)
Shapiro, R. Y., Kumar, M. J., & Jacobs, L. R. (2000). Presidential power: Forging the presidency for the twenty-first century. Columbia University Press.
Chicago-viite (17. p.)
Shapiro, Robert Y., Martha Joynt Kumar, ja Lawrence R. Jacobs. Presidential Power: Forging the Presidency for the Twenty-first Century. New York: Columbia University Press, 2000.
MLA-viite (9. p.)
Shapiro, Robert Y., et al. Presidential Power: Forging the Presidency for the Twenty-first Century. Columbia University Press, 2000.
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