de Starceva-Apele, Aija, and Malgozata Rascevska. “Reliability and Factorial Validity of Long and Brief Versions of the Inventory of Personality Organization in a Latvian Sample”. Research in Psychotherapy: Psychopathology, Process and Outcome 25, no. 2 (June 30, 2022). Accessed May 10, 2024. https://www.researchinpsychotherapy.org/rpsy/article/view/606.