13. The international journal of aging and human development. Amityville, NY : Baywood Pub. Co. PSY120
15. Ageing and Intergenerational Relations: Family Reciprocity from a Global Perspective Izuhara, Misa. Bristol : Policy Press, 2010. SW330 Full-text via ProQuest Ebook Central
16. Clinical Gerontological Social Work Practice Youdin, Robert. New York : Springer Publishing Company, 2014. SW530 EBSCO
