(美)Richard P.Olenick等著 (美)Richard Yevich等著 (美)Richard Wentk著 (美)Richard A. Poisel著 (美)Richard York著 (美)Richard A. Deal著 (美)Richard A.Spears著 (美)Richard A. Magill著 (美)Richard A.Lanham著 (美)Richard A.Poisel著
