APA-čujuhus (7. p.)
ebrary, Inc, Barilleaux, R. J., & Kelley, C. S. (2010). The unitary executive and the modern presidency. Texas A&M University Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, Ryan J. Barilleaux, juo Christopher S. Kelley. The Unitary Executive and the Modern Presidency. College Station: Texas A&M University Press, 2010.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. The Unitary Executive and the Modern Presidency. Texas A&M University Press, 2010.
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