Following their recent online reference poll, xrefer is delighted to announce that Who's Who from A&C Black publishers is the title that received the most votes from participants worldwide, making it the most popular work of reference. The poll, which was set up to tie in with World Book Day on March 4th, invited readers to vote for their favourite or most-used work of reference in the xreferplus database, selecting from hundreds of titles across 21 topics from a variety of publishers and authors