Barlow, G., & Harrison, B. (1966). History at the universities: A comparative and analytical guide to history syllabuses at universities in the United Kingdom. Historical Association.
Lua i Stíl Chicago (17ú heag.)Barlow, George, agus Brian Harrison. History at the Universities: A Comparative and Analytical Guide to History Syllabuses at Universities in the United Kingdom. London: Historical Association, 1966.
Lua MLA (8ú heag.)Barlow, George, agus Brian Harrison. History at the Universities: A Comparative and Analytical Guide to History Syllabuses at Universities in the United Kingdom. Historical Association, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.