(美)Ronald F. Cichy[著 (美)Ronald F. Cichy[著] (美)Donald F.Kettl著 (美)Ronald D. Reeves著 (美)Ronald Mak著 (美)Ronald E. Walpole[等 (美)Ronald Wanttaja著 (美)Robert C. Qiu[等 (美)Robert W. Bill著 (美)Ronald E. Walpole[等]著