1. AARP . (2014). Getting to know Americans age 50+. Retrieved from http://blog.aarp.org/2014/05/14/top-10-demographics-interests- facts-about-americans-age-50/
2. Integrating varieties of life course concepts;Alwin;The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences,2012
3. Screening for depression in well older adults: Evaluation of a short form of the CES-D;Andresen;American Journal of Preventive Medicine,1994
4. Bartholomew D. J . (1987). Latent variable models and factor analysis. London, UK: Charles Griffin.
5. Religion, spirituality, and LGBTQ identity integration;Beagan;Journal of LGBT Issues in Counseling,2015