Maxim, G. W. (1983). Social studies and the elementary school child (2nd ed.). Merrill.
Cita Chicago (17th ed.)Maxim, George W. Social Studies and the Elementary School Child. 2nd ed. Columbus: Merrill, 1983.
Cita MLA (9th ed.)Maxim, George W. Social Studies and the Elementary School Child. 2nd ed. Merrill, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.