Chapin, J. R. (2005). Elementary social studies: A practical guide (6th ed.). Allyn and Bacon.
Cita Chicago (17th ed.)Chapin, June R. Elementary Social Studies: A Practical Guide. 6th ed. Boston: Allyn and Bacon, 2005.
Cita MLA (8th ed.)Chapin, June R. Elementary Social Studies: A Practical Guide. 6th ed. Allyn and Bacon, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.