APA-viite (7. p.)
English, F. W., & Kaufman, R. Needs Assessment: A Focus for Curriculum Development. Association for Supervision and Curriculum Development.
Chicago-viite (17. p.)
English, Fenwick W., ja Roger Kaufman. Needs Assessment: A Focus for Curriculum Development. Washington, EUA: Association for Supervision and Curriculum Development.
MLA-viite (9. p.)
English, Fenwick W., ja Roger Kaufman. Needs Assessment: A Focus for Curriculum Development. Association for Supervision and Curriculum Development.
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