WELTON, D. A., & MALLAN, J. T. (1988). Children and their world: Strategies for teaching soci-al studies.-- Ed.3. Houghton Mifflin Co.
Lua i Stíl Chicago (17ú heag.)WELTON, David A., agus John T. MALLAN. Children and Their World: Strategies for Teaching Soci-al Studies.-- Ed.3. Boston: Houghton Mifflin Co, 1988.
Lua MLA (9ú heag.)WELTON, David A., agus John T. MALLAN. Children and Their World: Strategies for Teaching Soci-al Studies.-- Ed.3. Houghton Mifflin Co, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.