Παραπομπή σε μορφή APA (7η εκδ.)

Thomsen, P. H. (1999). From thoughts to obsessions: Obsessive compulsive disorders in children and adolescents. Jessica Kingsley Publishers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Thomsen, Per Hove. From Thoughts to Obsessions: Obsessive Compulsive Disorders in Children and Adolescents. London: Jessica Kingsley Publishers, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

Thomsen, Per Hove. From Thoughts to Obsessions: Obsessive Compulsive Disorders in Children and Adolescents. Jessica Kingsley Publishers, 1999.