@String{ora = "O'Reilly \& Associates, Inc."}

@Book{PocketRef,
  Title="Perl~5 Pocket Reference",
  Edition="Third",
  Author="Johan Vromans",
  Publisher=ora,
  Year="2000",
  ISBN="0-596-00032-4"
}

@Book{Cookbook,
  Title="Perl Cookbook: Tips and Tricks for Perl Programmers",
  Author="Tom Christiansen and Nathan Torkington",
  Publisher=ora,
  Year=1998, ISBN="1-56592-243-3",
}