(美)Robert P.Reiser[等]著 (美)Robert A.Pease著 (美)Robert P.King等著 (美)Robert G. Webster原著 (美)Robert F. Weaver著 (美)Robert H.Bishop著 (美)Robert I. Field著 (美)Robert P. Crease著 (美)Robert Vieira著 (美)Robert Weinberg著