Lyons, E. (1967). Workers' paradise lost: Fifty years of Soviet communisms: a balance sheet. Funk, Wagnalls.
Lua i Stíl Chicago (17ú heag.)Lyons, Eugene. Workers' Paradise Lost: Fifty Years of Soviet Communisms: A Balance Sheet. New York: Funk, Wagnalls, 1967.
Lua MLA (8ú heag.)Lyons, Eugene. Workers' Paradise Lost: Fifty Years of Soviet Communisms: A Balance Sheet. Funk, Wagnalls, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.