1. Laws DR, O’Donohue W, editors. Sexual deviance. 2nd ed. New York: Guilford Press, 2008.
2. American Psychiatric Association. Diagnostic and statistical manual of mental disorders. Fourth edition TR. Washington, DC: American Psychiatric Association, 2000.
3. Herdt GH. Guardians of the flutes. Idioms of masculinity. A study of ritualized homosexual behavior. New York: McGraw-Hill, 1981.
4. Gooren S. Parafilieën en het Nederlandse strafrecht: Op de grens tussen gedragskunde en recht. Tijdschr Seksuol 1994;18:72–81.
5. Kafka MP. Neurological processes and comorbidity in sexual deviance. In: Laws LR, O’Donohue WT. Sexual deviance. Theory, assessment, and treatment. 2nd ed. New York: Guilford Press, 2008: 571–93.