Ashdown, R., Carpenter, B., & Bovair, K. (2019). The Curriculum challenge: Access to the national curriculum for pupils with learning difficulties. Routledge, Falmer Press.
Chicago-viite (17. p.)Ashdown, Rob, Barry Carpenter, ja Keith Bovair. The Curriculum Challenge: Access to the National Curriculum for Pupils with Learning Difficulties. London ; New York: Routledge, Falmer Press, 2019.
MLA-viite (8. p.)Ashdown, Rob, et al. The Curriculum Challenge: Access to the National Curriculum for Pupils with Learning Difficulties. Routledge, Falmer Press, 2019.
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