Polanka, S. (2012). No shelf required 2: Use and management of electronic books. Chicago: American Library Association.
Dyfyniad Arddull ChicagoPolanka, Sue. No Shelf Required 2: Use and Management of Electronic Books. Chicago: American Library Association, 2012.
Dyfyniad MLAPolanka, Sue. No Shelf Required 2: Use and Management of Electronic Books. Chicago: American Library Association, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.