(美)Richard E.Mayer著 (美)Richard C.Detmer著 (美)Richard Wagner著 (美)Michael Bayer著 (美)Richard Rodger著 (美)Richard Leinecker著 (美)Richard O'Conner著 (美)Richard J. Fowler著 (荷)Richard Plender著 (新西兰)Richard Gunther著