ebrary, Inc, & Polanka, S. (2012). No shelf required 2: Use and management of electronic books. American Library Association.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, i Sue Polanka. No Shelf Required 2: Use and Management of Electronic Books. Chicago: American Library Association, 2012.
MLA način citiranja (9. izdanje)ebrary, Inc, i Sue Polanka. No Shelf Required 2: Use and Management of Electronic Books. American Library Association, 2012.
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