Trade Union rights in the European internal market : the laval and viking cases
 Artikel Jurnal
European union : power and policy-making
edited by Jeremy Richardson
Rontledge, 1996
 Buku Teks
Kitzinger, Uwe W.
The politics and economics of European integration : Britain, Europe, and the United States
Frederick A. Praeger, 1963
 Buku Teks
The european community and the challenge of the future
edited by Juliet Lodge
Pinter Publishers, 1993
 Buku Teks
Business law in the European Economic Area
edited by Christopher Bright
Oxford University Press, 1994
 Buku Teks