Phipps, H. (1925). Some aspects of the agrarian question in Mexico: A historical study. University of Texas.
Chicago-čujuhus (17. p.)Phipps, Helen. Some Aspects of the Agrarian Question in Mexico: A Historical Study. Austin: University of Texas, 1925.
MLA-čujuhus (9. p.)Phipps, Helen. Some Aspects of the Agrarian Question in Mexico: A Historical Study. University of Texas, 1925.
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