APA aipamena

Kennedy John F. (2006). Profiles in courage. Harper Perennial ,Modeln Classics.

Chicago Style aipamena

Kennedy John F. Profiles in Courage. NewYork: Harper Perennial ,Modeln Classics, 2006.

MLA aipamena

Kennedy John F. Profiles in Courage. Harper Perennial ,Modeln Classics, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.