6Weisbrod, Burton. 1974. Toward a Theory of the Volun-tary, Nonprofit Sector in Three - Sector Economy. In E Phelps eds. Altruism Morality and Economic Theory[ M ]. New York : Russel Sage; Hansmann, Henry. 1980.
7Weisbrod, Burton. 1974. Toward a Theory of the Voluntary Nonprofit Sector in Three - Sector Economy. In E Phelps. eds. Altruism Morality and Economic Theory[ M ]. New York : Russel Sage.
8Hansmann, Henry. 1980. The Role of Nonprofit Enterprise[J], Yale Law Journal, 89:835 -901.
9Salamon L M. 1981, "Rethinking Public Management:Third- Party Government and the Changing Forms of Government Action" [ J ], Public Policy, 29 (3), 255 -275.
10Meyer and Rowan, 1977. Institutionalized Organizations: Formal Structure as Myth and Ceremony[J]. American Journal of Sociology 83(2):340 -63.
