Citizenship Education Study, Detroit. (1949). Democratic citizenship and development of children, an evaluation of framework based on criteria for democratic living and developmental characteristics and needs of boys and girls. s.n.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Citizenship Education Study, Detroit. Democratic Citizenship and Development of Children, an Evaluation of Framework Based on Criteria for Democratic Living and Developmental Characteristics and Needs of Boys and Girls. Detroit: s.n, 1949.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Citizenship Education Study, Detroit. Democratic Citizenship and Development of Children, an Evaluation of Framework Based on Criteria for Democratic Living and Developmental Characteristics and Needs of Boys and Girls. s.n, 1949.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.