Johnston, T. L.
Collective bargaining in Sweden a study of the labour market and its institutions T.L. Johnston
Cambridge, Mass Harvard University Press 1962,
 Buku Teks SO
Chamberlain, Neil Wolverton
Collective bargaining
McGraw-Hill , 1965
 Buku Teks SO
Chamberlain, Neil Wolverton
Collective bargaining
McGraw-Hill , 1986
 Buku Teks SO
Chamberlain, Neil Wolverton
Collective bargaining
McGraw-Hill, 1986
 Buku Teks SO
Report of the Director-General: on the activities of the organizations in 1973 / by Unisco
UNESCO, 1974
 Buku Teks