APA (7th ed.) Zitazioa
Barnett, M. N. (2011). The empire of humanity: A history of humanitarianism. Cornell University Press.
Chicago Style (17th ed.) Zitazioa
Barnett, Michael N. The Empire of Humanity: A History of Humanitarianism. Ithaca [N.Y.]: Cornell University Press, 2011.
MLA (9th ed.) Zitazioa
Barnett, Michael N. The Empire of Humanity: A History of Humanitarianism. Cornell University Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.