Stephen, P. (1997). Simple statistics for library and information professionals (2nd ed.). Library Association.
Citace podle Chicago (17th ed.)Stephen, Peter. Simple Statistics for Library and Information Professionals. 2nd ed. London: Library Association, 1997.
Citace podle MLA (9th ed.)Stephen, Peter. Simple Statistics for Library and Information Professionals. 2nd ed. Library Association, 1997.
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