Tohutoro APA (7th ed.)
Shannon, F. A. (1945). The farmer's last frontier. Agriculture 1860 - 1897.
Tohutoru Kātū Chicago (17th ed.)
Shannon, Fred A. The Farmer's Last Frontier. Agriculture 1860 - 1897. New York, 1945.
Tohutoro MLA (9th ed.)
Shannon, Fred A. The Farmer's Last Frontier. Agriculture 1860 - 1897. 1945.
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