6[1]Sidney and Beatrice Webb, Industrial Democracy, London: Longmans, 1902.
7[2]John R. Commons, The Economics of Collective Action, Madison: University of Wisconsin Press, 1970.
8[3]Arthur M. Ross, Trade Union Wage Policy, Berkeley: University of California Press, 1948.
9[4]John T. Dunlop, Industrial Relations System, New York: Henry Holt, 1958.
10[5]C. J. Margerison, What do We Mean by Industrial Relations--A Behavioral Science Approach , British Journal of Industrial Relations 7(2) (July 1969).