Edie, Carlene J.
Wadsworth/Thomson Learning, 2003
Buku Teks
Bayart, Jean-Francois
Longman, 1993
Buku Teks
Maitland-Jones, J.F.
W.W. Norton, 1974
Buku Teks
Hartmann, Heinz
N.J., Industrial Relations Section, Dept. of Economics, Princeton University, 1962
Buku Teks
Maguire, Keith
Chambers, 1991
Buku Teks