8Moorman J.Standards for Public Libraries: A Study in Quantitative Measures of Library Performance as Found in State Public Library Documents[J].Public Libraries, 1997( 1 ): 32-39.
9Eberhart WL.Standards for State Library Agencies[J].Library Trends, 1975(2) :209-212.
10Humphreys KW.Standards for libraries in Great Britain[J]. Library Trends, 1972(2) : 312-329.
