.Ornstein, A. C., & .Levine, D. U. (1985). An introduction to the foundations of education (3rd ed.). Houghton Mifflin.
Παραπομπή σε μορφή Chicago (17η εκδ.).Ornstein, Allan C., και Daniel U. .Levine. An Introduction to the Foundations of Education. 3rd ed. Boston: Houghton Mifflin, 1985.
Παραπομπή σε μορφή MLA (9th εκδ.).Ornstein, Allan C., και Daniel U. .Levine. An Introduction to the Foundations of Education. 3rd ed. Houghton Mifflin, 1985.