Hopkins, A. G. (2018). American Empire: A Global History (America in the World). Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Hopkins, A. G. American Empire: A Global History (America in the World). New Jersey: Princeton University Press, 2018.
Lua MLA (9ú heag.)Hopkins, A. G. American Empire: A Global History (America in the World). Princeton University Press, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.