Kirkby, R. (1974). Teaching social studies: A guidebook for primary school teachers. Kristen Pres.
Lua i Stíl Chicago (17ú heag.)Kirkby, Roy. Teaching Social Studies: A Guidebook for Primary School Teachers. Madang: Kristen Pres, 1974.
Lua MLA (9ú heag.)Kirkby, Roy. Teaching Social Studies: A Guidebook for Primary School Teachers. Kristen Pres, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.