Michaelis, J. U. (1997). Social studies for children: A guide to basic instruction (11th ed.). Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Michaelis, John U. Social Studies for Children: A Guide to Basic Instruction. 11th ed. Boston: Allyn and Bacon, 1997.
Lua MLA (9ú heag.)Michaelis, John U. Social Studies for Children: A Guide to Basic Instruction. 11th ed. Allyn and Bacon, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.