Fern, Edward F., author
Sage, 2001
Buku Teks
edited by Ann Curthoys, Susan Eade and Peter Spearritt
Australian Society for the Study of Labour History, 1975
Buku Teks
Brinkmann, Svend, author
Sage Publications , 2015
Buku Teks
edited by John Field, Ronald J. Burke and Cary L. Cooper.
SAGE, 2013
Buku Referensi
Padavic, Irene
Sage, 2002
Buku Teks