1. Towards inclusive schooling;Ainscow;British Journal of Special Education 24,1997
2. Aziz, N.A. (2011). Bullying sering dianggap sepele. Kompas [on-line]. Diakses pada tanggal 22 April 2013 dari http://edukasi.kompas.com/read/2011/04/09/15512144/Bullying.Sering.Dianggap.Sepele
3. Azwar, S. (2009). Reliabilitas dan validitas.Yogyakarta: Pustaka Pelajar.
4. Azwar, S. (2010). Penyusunan skala psikologi. Yogyakarta: Pustaka Pelajar.
5. Booth, T., and Ainscow, M. (2002). Index for Inclusion: developing learning in schools. Centre for Studies on Inclusive Education.