Tuma, E. H. (1965). Twenty-six centuries of agrarian reform: A comparative analysis. University of California Press.
Lua i Stíl Chicago (17ú heag.)Tuma, Elias H. Twenty-six Centuries of Agrarian Reform: A Comparative Analysis. Berkeley: University of California Press, 1965.
Lua MLA (8ú heag.)Tuma, Elias H. Twenty-six Centuries of Agrarian Reform: A Comparative Analysis. University of California Press, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.