1. Center for Disease Control and Prevention, National Center for Injury Prevention and Control (2021, May) Facts about Suicide. U.S. Department of Health and Human Services, Washington DC. https://www.cdc.gov/suicide/facts/index.html
2. Diagnostic and Statistical Manual of Mental Disorders
3. Sorrel, B. (2018) Nurturing Healthy Attachment. Unpublished Manuscript, Tulsa, 10-12, 22.
4. Siegel, D. (2003) Parenting from the Inside Out. Tarcher/Penguin, New York, 13.
5. Purvis, K.B. (2007) The Connected Child. McGraw Hill, New York, 206.