Hopkins, A. (2018). American Empire (1st.). Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Hopkins, A.G. American Empire. 1st. New Jersy: Princeton University Press, 2018.
Lua MLA (9ú heag.)Hopkins, A.G. American Empire. 1st. Princeton University Press, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.