Doll, R. C. (1982). Curriculum improvement: Decision-making and process (5th ed.). Allyn and Bacon.
Chicago-referens (17:e uppl.)Doll, Ronald C. Curriculum Improvement: Decision-making and Process. 5th ed. Boston: Allyn and Bacon, 1982.
MLA-referens (9:e uppl.)Doll, Ronald C. Curriculum Improvement: Decision-making and Process. 5th ed. Allyn and Bacon, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.