Maxim, G. W. (1987). Social studies and the elementary school child (3rd ed.). Merrill.
Citazione stile Chigago Style (17a edizione)Maxim, George W. Social Studies and the Elementary School Child. 3rd ed. Columbus: Merrill, 1987.
Citatione MLA (9a ed.)Maxim, George W. Social Studies and the Elementary School Child. 3rd ed. Merrill, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.