3Helen A. Ridgway: County and Regional Libraries in the United States. [EB/OL]. [2009-03-20]. http://www, ideals, uiuc. edu/handle/2142/5495? mode = full.
4Joeckel C B. The government of the American public[ M]. Chicago: University of Chicago Press, 1935:246.
5Curry. A, Green S, O'Neill J. Regional libraries across Canada: A kaleidoscope of services and go nce structures [ EB/OL ]. [ 2009-03-20 ] http ://www. cla. ca/AM/Template, cfm? Section = Resources& Template =/CM/play. cfm& ; ContentID = 3263.
6John C. Role of the public library trustee [ J ]. Library Trends, 1995,44( 1 ) : 63 -76.