Ornstein, A. C., & Levine, D. U. (2007). Foundations of education (10th ed.). s.n.
Lua i Stíl Chicago (17ú heag.)Ornstein, Allan C., agus Daniel U. Levine. Foundations of Education. 10th ed. [S.l: s.n, 2007.
Lua MLA (9ú heag.)Ornstein, Allan C., agus Daniel U. Levine. Foundations of Education. 10th ed. s.n, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.