Ma. Mayla Imelda M. Lapa
Working beyond 80: The meaning of work to an octogenarian in the workforce
Fakultas Ilmu Keperawatan Universitas Indonesia, 2020
 Artikel Jurnal
Thompson, E.P.
The making of the English working class / by Thompson E.P.
Pantheon Books, 1963
 Buku Teks
Class Matters: working-class, women's perspectives on social class
edited by Pat Mahony, Christine Zmroczek
Taylor and Francis, 1997
 Buku Teks
Hoffman, Lois Wladis
Working mothers : an evaluative review of the consequences for wife, husband, and child
San Francisco, 1984
 Buku Teks
Mackenzie, Gavin.
The aristocracy of labor : the position of skilled craftsmen in the American class structure /​ Gavin Mackenzie.
Cambridge University Pres, 1973
 Buku Teks