Mayer, F. (1966). A history of educational thought (2nd history.). C.E. Merrill Books.
Lua i Stíl Chicago (17ú heag.)Mayer, Frederick. A History of Educational Thought. 2nd history. Columbus, Ohio: C.E. Merrill Books, 1966.
Lua MLA (9ú heag.)Mayer, Frederick. A History of Educational Thought. 2nd history. C.E. Merrill Books, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.