Kraehe, E. E. (1958). Collectivization of agriculture in Eastern Europe. University of Kentucky Press.
Lua i Stíl Chicago (17ú heag.)Kraehe, Enno E. Collectivization of Agriculture in Eastern Europe. Lexington, Kentucky: University of Kentucky Press, 1958.
Lua MLA (9ú heag.)Kraehe, Enno E. Collectivization of Agriculture in Eastern Europe. University of Kentucky Press, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.