(美)Richard J. Fowler著 (美)Richard J.Light著 (美)Richard Wagner著 (美)Richard J.Simon著 (美)Richard A. Magill著 (美)Richard K. Brail编著 (美)Richard O'Conner著 (英)Richard A. Skues著 ( )Richard Barton改编 (加)Richard K. Guy[著
