Villalobos. Czars in the White House. University of Michigan Press.
Lua i Stíl Chicago (17ú heag.)Villalobos. Czars in the White House. University of Michigan Press.
Lua MLA (8ú heag.)Villalobos. Czars in the White House. University of Michigan Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.