Polanka, S. (2012). No shelf required 2: Use and management of electronic books. Chicago: American Library Association.
Chicago Style aipamenaPolanka, Sue. No Shelf Required 2: Use and Management of Electronic Books. Chicago: American Library Association, 2012.
MLA aipamenaPolanka, Sue. No Shelf Required 2: Use and Management of Electronic Books. Chicago: American Library Association, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.