Citace podle APA (7th ed.)
(1949). Experience with Human Factors in Agricultural Areas of the World. Extension Service, U.S. Department of Agriculture,.
Citace podle Chicago (17th ed.)
Experience with Human Factors in Agricultural Areas of the World. Washington, D.C.: Extension Service, U.S. Department of Agriculture,, 1949.
Citace podle MLA (9th ed.)
Experience with Human Factors in Agricultural Areas of the World. Extension Service, U.S. Department of Agriculture,, 1949.
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