ebrary, Inc, Barilleaux, R. J., & Kelley, C. S. (2010). The unitary executive and the modern presidency. Texas A&M University Press.
芝加哥风格引文ebrary, Inc, Ryan J. Barilleaux, 与 Christopher S. Kelley. The Unitary Executive and the Modern Presidency. College Station: Texas A&M University Press, 2010.
MLA引文ebrary, Inc, et al. The Unitary Executive and the Modern Presidency. Texas A&M University Press, 2010.
警告：这些引文格式不一定是100％准确.