Levis, E. C. (1923). Citizenship: A practical textbook in community civics. Harcourt, Brace and company.
Chicagoスタイル(17版)引用形式Levis, Ella Cannon. Citizenship: A Practical Textbook in Community Civics. New York: Harcourt, Brace and company, 1923.
MLA(8版)引用形式Levis, Ella Cannon. Citizenship: A Practical Textbook in Community Civics. Harcourt, Brace and company, 1923.
警告: この引用は必ずしも正確ではありません.