Aging in today`s society
edited by Clark Tibbitts and Wilma Donahue
Prentice-Hall, 1960
 Buku Teks
Monitoring quality in work: European Employment strategy indicators and beyond
 Artikel Jurnal
Handbook of aging and the social sciences
Robert H. Binstock, Linda K. George, editor
Elsevier , 2011
 Buku Teks
Sheppard, Harold L.
The graying of working America
Free Press, 1977
 Buku Teks
Ratih Sari Dewi
Pengaruh upah reservasi dan pengaruh umur terhadap lama mencari kerja di Indonesia = The effect of reservation wage and age effect on job search duration in Indonesia
Fakultas Ekonomi dan Bisinis Universitas Indonesia, 2022
 UI - Tesis (Membership)