Hardcover
details (USA).(see also: eBook (Kindle) · Audible Audiobook · Audio CD)
details (United Kingdom).(see also: Audible Audiobook · eBook (Kindle))
details (Germany).(see also: Kindle Ausgabe · Audible Hörbuch)
details (Spain - España).(see also: Versión Kindle)
ISBN: 978-0-446-57859-2
ISBN-10: 0-446-57859-2
Business Plus · 2007