(1973). Review of research in education. F.E. Peacock Publishers.
Lua i Stíl Chicago (17ú heag.)Review of Research in Education. Itasca, Ill.: F.E. Peacock Publishers, 1973.
Lua MLA (9ú heag.)Review of Research in Education. F.E. Peacock Publishers, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.