Berridge, D., Totsika, V., Hastings, R. P., Emerson, E., & Lancaster, G. A. (2011). A population-based investigation of behavioural and emotional problems and maternal mental health: Associations with autism spectrum disorder and intellectual disability. Journal of Child Psychology and Psychiatry, 52(1), pp. 91-99. doi:10.1111/j.1469-7610.2010.02295.x

Berridge, Damon, Vasiliki Totsika, Richard P. Hastings, Eric Emerson, and Gillian A. Lancaster. "A Population-based Investigation of Behavioural and Emotional Problems and Maternal Mental Health: Associations With Autism Spectrum Disorder and Intellectual Disability." Journal of Child Psychology and Psychiatry 52, no. 1 (2011): 91-99.

Berridge, Damon, et al. "A Population-based Investigation of Behavioural and Emotional Problems and Maternal Mental Health: Associations With Autism Spectrum Disorder and Intellectual Disability." Journal of Child Psychology and Psychiatry 52.1 (2011): 91-99.