Eugene F Provenzo, J. Foundations of Educational Thought.
Lua i Stíl Chicago (17ú heag.)Eugene F Provenzo, Jr. Foundations of Educational Thought.
Lua MLA (8ú heag.)Eugene F Provenzo, Jr. Foundations of Educational Thought.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.