Walberg, H. J. (1979). American education: Diversity and research. Forum.
Lua i Stíl Chicago (17ú heag.)Walberg, Herbert J. American Education: Diversity and Research. Chicago: Forum, 1979.
Lua MLA (9ú heag.)Walberg, Herbert J. American Education: Diversity and Research. Forum, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.