.Ornstein, A. C., & .Levine, D. U. (1985). An introduction to the foundations of education (3rd ed.). Houghton Mifflin.
Chicago-referens (17:e uppl.).Ornstein, Allan C., och Daniel U. .Levine. An Introduction to the Foundations of Education. 3rd ed. Boston: Houghton Mifflin, 1985.
MLA-referens (9:e uppl.).Ornstein, Allan C., och Daniel U. .Levine. An Introduction to the Foundations of Education. 3rd ed. Houghton Mifflin, 1985.