Bilgere, G. (2014). Imperial. University of Pittsburgh Press.
Lua i Stíl Chicago (17ú heag.)Bilgere, George. Imperial. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2014.
Lua MLA (9ú heag.)Bilgere, George. Imperial. University of Pittsburgh Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.