ebrary, Inc, & Polanka, S. (2012). No shelf required 2: Use and management of electronic books. American Library Association.
芝加哥风格引文ebrary, Inc, 与 Sue Polanka. No Shelf Required 2: Use and Management of Electronic Books. Chicago: American Library Association, 2012.
MLA引文ebrary, Inc, 与 Sue Polanka. No Shelf Required 2: Use and Management of Electronic Books. American Library Association, 2012.
警告：这些引文格式不一定是100％准确.