@book{55696,
	author = {Phillips, Judith and Ajrouch, Kristine J.},
	title = {Key concepts in social gerontology},
	publisher = {SAGE,},
	year = {2010.},
	series = {SAGE key concepts},
	address = {Los Angeles, [Calif.] ;},
	url = {https://sk.sagepub.com/books/key-concepts-in-social-gerontology}
}