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, Juliet Lodge
Pinter Publishers, 1993
 Buku Teks
George, Stephen
Politics and policy in the European Community
Oxford University Press, 1985
 Buku Teks