APA aipamena

Hopkins, A. (2018). American Empire (1st.). Princeton University Press.

Chicago Style aipamena

Hopkins, A.G. American Empire. 1st. New Jersy: Princeton University Press, 2018.

MLA aipamena

Hopkins, A.G. American Empire. 1st. Princeton University Press, 2018.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.