Bowers, John, 1956-
Textbook on labour law
Blackstone Press, 1998
 Buku Teks SO
The "externalization" of labour law
 Artikel Jurnal
Blaipain, Roger
European labour law
Kluwer Law International, 2008
 Buku Teks
International labour law
edited by Barbara J. Fick
Edward Elgar Publishing, 2015
 Buku Teks
Shipwright, Adrian
Textbook on revenue law
London Blackstone Press 1998,
 Buku Teks