Herling, John
Labor unions in America / John Herling
Robert B. Luce, Inc., 1964
 Buku Teks
Beirne, Joseph A.
Challenge to Labor new roles for American trade unions
Prentice-Hall, 1969
 Buku Teks
Japanese labor-management relations in an era of diversification of employment types diversifying workers and the role of labor unions Mitsuru Yamashita
 Artikel Jurnal
Babb, Hugh W.
Business law : cases and materials; contracts, sales, agency, negotiable instruments, partnerships, corporations, property, insurance law, credits and collections, government regulations of business and labor
Foundation Press , 1959
 Buku Teks
The Islamic perspective of changes in government administration and law : with special reference to the development of legal political system in post-reformasi indonesia
 Artikel Jurnal