3Ward, B, The finn in Ilyria: market syndicalism. American Economic Review. 1958 (48) : 566 - 589.
4Anderson, Richard K. , Philip K. Porter, and S. Charles Mauriee, The economics of consumer managed firms. Southern Economic Journal, 1979 (1) :119 - 130.
5Helmberger, Peter and Sidney Hoos- Cooperative enterprise and organization theory, Journal of Farm Economics,20014 (2) :275 - 290.
6Bonin,.lohn P. ,Derek C. Jones,and Loius Puttennan,Theoretical and empirical studies of producer cooperatives:Will ever the twain meet? Jour- nal of Economic Literature, 1993 ( 31 ) : 1290 - 1320.