APA-čujuhus (7. p.)
Greenstein, F. I. (2013). Presidents and the dissolution of the Union: Leadership style from Polk to Lincoln. Princeton University Press.
Chicago-čujuhus (17. p.)
Greenstein, Fred I. Presidents and the Dissolution of the Union: Leadership Style from Polk to Lincoln. Princeton: Princeton University Press, 2013.
MLA-čujuhus (9. p.)
Greenstein, Fred I. Presidents and the Dissolution of the Union: Leadership Style from Polk to Lincoln. Princeton University Press, 2013.
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