APA-ийн эшлэл(7 дахь хэвлэлт)

Calabresi, S. G., & Yoo, C. S. (2008). The unitary executive: Presidential power from Washington to Bush. Yale University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Calabresi, Steven G., ба Christopher S. Yoo. The Unitary Executive: Presidential Power from Washington to Bush. New Haven, CT: Yale University Press, 2008.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Calabresi, Steven G., ба Christopher S. Yoo. The Unitary Executive: Presidential Power from Washington to Bush. Yale University Press, 2008.