Ornstein, A. H. (1993). Curriculum: Foundations, principles and issues (2nd ed.). Allyn and Bacon.
Cita Chicago (17th ed.)Ornstein, Allan H. Curriculum: Foundations, Principles and Issues. 2nd ed. Boston: Allyn and Bacon, 1993.
Cita MLA (9th ed.)Ornstein, Allan H. Curriculum: Foundations, Principles and Issues. 2nd ed. Allyn and Bacon, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.