Project in Applied Economics. (1949). The story of Johnny and Mary: Better food makes for better living (2d ed.). Univ. of Florida, College of Education Project in Applied Economics.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Project in Applied Economics. The Story of Johnny and Mary: Better Food Makes for Better Living. 2d ed. [Gainesville, Fla.]: Univ. of Florida, College of Education Project in Applied Economics, 1949.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Project in Applied Economics. The Story of Johnny and Mary: Better Food Makes for Better Living. 2d ed. Univ. of Florida, College of Education Project in Applied Economics, 1949.
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