Levine, D. U. (1992). Society and education (8th ed.). Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Levine, Daniel U. Society and Education. 8th ed. Boston: Allyn and Bacon, 1992.
Lua MLA (9ú heag.)Levine, Daniel U. Society and Education. 8th ed. Allyn and Bacon, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.