Schwartz, H. (1945). Seasonal farm labor in the United States: With special reference to hired workers in fruit and vegetable and sugar-beet production. Columbia University Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Schwartz, Harry. Seasonal Farm Labor in the United States: With Special Reference to Hired Workers in Fruit and Vegetable and Sugar-beet Production. New York: Columbia University Press, 1945.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Schwartz, Harry. Seasonal Farm Labor in the United States: With Special Reference to Hired Workers in Fruit and Vegetable and Sugar-beet Production. Columbia University Press, 1945.
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