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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)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.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.