APA-čujuhus (7. p.)

Kozlowska, K., Scher, S., & Helgeland, H. (2020). Functional Somatic Symptoms in Children and Adolescents: A Stress-System Approach to Assessment and Treatment. Springer Nature.

Chicago-čujuhus (17. p.)

Kozlowska, Kasia, Stephen Scher, juo Helene Helgeland. Functional Somatic Symptoms in Children and Adolescents: A Stress-System Approach to Assessment and Treatment. Springer Nature, 2020.

MLA-čujuhus (9. p.)

Kozlowska, Kasia, et al. Functional Somatic Symptoms in Children and Adolescents: A Stress-System Approach to Assessment and Treatment. Springer Nature, 2020.

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