1. Abbott, D., & Howarth, J. (2005). Secret loves, hidden lives? Exploring issues for people with learning difficulties who are gay, lesbian, or bisexual. Bristol, England: The Policy Press.
2. Abbott, D., & Howarth, J. (2007). Still off-limits? Staff views on supporting gay, lesbian, and bisexual people with intellectual disabilities to develop sexual and intimate relationships. Journal of Applied Research in Intellectual Disabilities, 20, 116–126.
3. Allen, J. (2003). Gay, lesbian, bisexual, and transgender people with developmental disabilities and mental retardation. New York: Harrington Park Press.
4. Arksey, H. (2004). Semi-structured and unstructured interviewing. In S. Becker & A. Bryman (Eds.), Understanding research for social policy and practice (pp. 268–275). Bristol, England: The Policy Press.
5. Barnes, D. (1997). A legacy of oppression: A history of disability in Western culture. In L. Barton & M. Oliver (Eds.), Disability studies: Past, present and future (pp. 3–24). Leeds, England: The Disability Press.