Keith, J. (1982). Old people as people: Social and cultural influences on againg and old age. Little, Brown.
Chicago-Zitierstil (17. Ausg.)Keith, Jennie. Old People as People: Social and Cultural Influences on Againg and Old Age. Little, Brown, 1982.
MLA-Zitierstil (9. Ausg.)Keith, Jennie. Old People as People: Social and Cultural Influences on Againg and Old Age. Little, Brown, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.