Lua APA (7ú heag.)
Greenstein, F. I. (2013). Presidents and the dissolution of the Union: Leadership style from Polk to Lincoln. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)
Greenstein, Fred I. Presidents and the Dissolution of the Union: Leadership Style from Polk to Lincoln. Princeton: Princeton University Press, 2013.
Lua MLA (9ú heag.)
Greenstein, Fred I. Presidents and the Dissolution of the Union: Leadership Style from Polk to Lincoln. Princeton University Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.