Tuma, E. H. (1965). Twenty-six centuries of agrarian reform: A comparative analysis. University of California Press.

Tuma, Elias H. Twenty-six Centuries of Agrarian Reform: A Comparative Analysis. Berkeley: University of California Press, 1965.

Tuma, Elias H. Twenty-six Centuries of Agrarian Reform: A Comparative Analysis. University of California Press, 1965.