APA (7th ed.) Zitazioa
Hawley, J. D. (2008). Theodore Roosevelt: Preacher of righteousness. Yale University Press.
Chicago Style (17th ed.) Zitazioa
Hawley, Joshua David. Theodore Roosevelt: Preacher of Righteousness. New Haven: Yale University Press, 2008.
MLA (9th ed.) Zitazioa
Hawley, Joshua David. Theodore Roosevelt: Preacher of Righteousness. Yale University Press, 2008.
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