ebrary, Inc, & Polanka, S. (2012). No shelf required 2: Use and management of electronic books. American Library Association.
Citace podle Chicago (17th ed.)ebrary, Inc, a Sue Polanka. No Shelf Required 2: Use and Management of Electronic Books. Chicago: American Library Association, 2012.
Citace podle MLA (9th ed.)ebrary, Inc, a Sue Polanka. No Shelf Required 2: Use and Management of Electronic Books. American Library Association, 2012.
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