Bogdan, Michael
Comparative law
Kluwer Norstedts Juridik Tano, 1994
 Buku Teks
Taylor, Benjamin J.
Cases in labor relations law
Prentice-Hall, 1987
 Buku Teks SO
Labor law developments 1975
The Southwestern Legal Foundation
Matthew Bender, 1975
 Buku Teks
Jackson, Grdon E.
Labor and employment law book
Prentice-Hall, 1993
 Buku Referensi
Gould, William B., IV
A primer on American labor law
MIT Press, 1982
 Buku Teks