THE GENERALIZED VIRTUAL ECONOMY:AN ECONOMY OF THE DUALISTIC VALUE RONG-JIE STATE
林左鸣著;张丽译2013 年出版324 页ISBN:7010120843
Leticia Brambila-Paz ; Oscar Garcia-Prada ; Peter Newstead ; Richard P. Thomas2014 年出版334 页ISBN:1107636385
B.SCHWEIZER AND A.SKLAR2222 年出版275 页ISBN:0444006664