Center for Civic Education. (2009). Foundations of democracy: Authority, privacy, responsibility, and justice (New and rev. ed.). Center for Civic Education.
Citazione stile Chigago Style (17a edizione)Center for Civic Education. Foundations of Democracy: Authority, Privacy, Responsibility, and Justice. New and rev. ed. Calabasas, CA: Center for Civic Education, 2009.
Citatione MLA (9a ed.)Center for Civic Education. Foundations of Democracy: Authority, Privacy, Responsibility, and Justice. New and rev. ed. Center for Civic Education, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.