Freeman, D., Brugha, T., Meltzer, H., Jenkins, R., Stahl, D., & Bebbington, P. (2010). Persecutory ideation and insomnia: Findings from the second British National Survey Of Psychiatric Morbidity. Pergamon Press.

Freeman, Daniel, Traolach Brugha, Howard Meltzer, Rachel Jenkins, Daniel Stahl, and Paul Bebbington. Persecutory Ideation and Insomnia: Findings From the Second British National Survey Of Psychiatric Morbidity. Pergamon Press, 2010.

Freeman, Daniel, et al. Persecutory Ideation and Insomnia: Findings From the Second British National Survey Of Psychiatric Morbidity. Pergamon Press, 2010.