Hazard, J. N. (1957). The Soviet sistem of Government. The University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Hazard, John N. The Soviet Sistem of Government. The University of Chicago Press, 1957.
Lua MLA (9ú heag.)Hazard, John N. The Soviet Sistem of Government. The University of Chicago Press, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.