国国际经济法国际经济法de Ersen Gao, 程开源, 张蔷MateriasCommercial lawForeign trade regulationEdiciones (1)国际经济法 (1991)Tianjin ren min chu ban she · chinoMás obras de Ersen GaoYYing Mei he tong fa gang yaoYing Mei he tong fa gang yao