Krug, E., & Quillen, I. J. (1952). Citizens Now: Civics for Young Citizens. Chicago: Scott, Foresman & Company.
Trích dẫn kiểu ChicagoKrug, Edward., và I. James Quillen. Citizens Now: Civics for Young Citizens. Chicago: Scott, Foresman & Company, 1952.
MLA citiranjeKrug, Edward., và I. James Quillen. Citizens Now: Civics for Young Citizens. Chicago: Scott, Foresman & Company, 1952.
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