Doll, R. C. (1996). Curriculum improvement: Decision making and process (Ninth edition.). Allyn and Bacon.
Cita Chicago (17th ed.)Doll, Ronald C. Curriculum Improvement: Decision Making and Process. Ninth edition. Boston: Allyn and Bacon, 1996.
Cita MLA (8th ed.)Doll, Ronald C. Curriculum Improvement: Decision Making and Process. Ninth edition. Allyn and Bacon, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.