(美)Robert C. Seacord著 (美)Robert C. Martin著 (美) Robert W. Sebesta著 (美)Robert C. Martin (美)Robert W.Sebesta著 (美) Robert G. Gallager著 (美) Robert F. Pierret著 (美) Robert K. Wysocki著 (美)Robert Sedgewick著 (美) Robert Clair著