International labour law
edited by Barbara J. Fick
Edward Elgar Publishing, 2015
 Buku Teks
International Labour Review
International Labour Office, 2017
 Majalah, Jurnal, Buletin
The "externalization" of labour law
 Artikel Jurnal
Blaipain, Roger
European labour law
Kluwer Law International, 2008
 Buku Teks
Bowers, John, 1956-
Textbook on labour law
Blackstone Press, 1998
 Buku Teks