Ulich, R. (1954). Three thousand years of educational wisdom: Selections from great documents. Harvard University.
Lua i Stíl Chicago (17ú heag.)Ulich, Robert. Three Thousand Years of Educational Wisdom: Selections from Great Documents. London: Harvard University, 1954.
Lua MLA (9ú heag.)Ulich, Robert. Three Thousand Years of Educational Wisdom: Selections from Great Documents. Harvard University, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.