Johnson, P. (2009). Fundamentals of collection development and management (2nded.). American Library Association.
Lua i Stíl Chicago (17ú heag.)Johnson, Peggy. Fundamentals of Collection Development and Management. 2nded. Chicago: American Library Association, 2009.
Lua MLA (9ú heag.)Johnson, Peggy. Fundamentals of Collection Development and Management. 2nded. American Library Association, 2009.
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