Hartmann, Heinz
Pricenton University Press, 1959
Buku Teks
Bessant, John
Gower , 1985
Buku Teks
Hartmann, Heinz
N.J., Industrial Relations Section, Dept. of Economics, Princeton University, 1962
Buku Teks
Allen, Louis A., author
McGraw-Hill Kogakusha, 1958
Buku Teks
Allen, Louis A., author
McGraw-Hill, 1958
Buku Teks