APA-čujuhus (7. p.)
Corwin, E. S. (1957). The President. Office and powers 1787-1957: History and analysis of practice and opinion. Univ. Press.
Chicago-čujuhus (17. p.)
Corwin, Edward Samuel. The President. Office and Powers 1787-1957: History and Analysis of Practice and Opinion. New York: Univ. Press, 1957.
MLA-čujuhus (9. p.)
Corwin, Edward Samuel. The President. Office and Powers 1787-1957: History and Analysis of Practice and Opinion. Univ. Press, 1957.
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