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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.