New York Observer . http://www.observer.com/2007/bruce-willis-pays-4-26-m-trump-enemys-condo . Retrieved May 10, 2009 .   ^ Fleming, Michael (November 12, 2002). " Willis held 'Hostage' " (Registration required). Variety . http://www.accessmylibrary.com/coms2/summary_0286-26789071_ITM . Retrieved May 10, 2009 .   ^ Martinson, Jane; Vikram Dodd (August 18, 1999). " Planet Hollywood crashes to earth ". Guardian.co.uk