THEODORE RUCH AND HARRY D.PATTON1982 年出版382 页ISBN:0721678173
LONGMAN INTEGRATED COMPREHENSION AND COMPOSITION SERIES STAGE 6 NON-FICTION PEOPLE AT WORK
GEOFFREY LAND1973 年出版63 页ISBN:0582522935
INTELLECTUAL PROPERTY AND COMPETITION
MICHAEL A.CARRIER2011 年出版753 页ISBN:1848442181
micha peleg edward b.bagley1982 年出版532 页ISBN:0870554182