(美)Robert C. Martin著 (美)Robert J.Oberg等著 (美)Robert F. Pierret著 (美)Robert C. Seacord著 (美)Robert G.Freeman著 (美)Robert H. Bishop著 (美)Robert P. Crease著 (美)Robert G. Webster原著 (美)Robert A. Young著 (美)Robert L. Fried著