World Intellectual Property Organization. (1993). Background reading material on the intellectual property system of China. World Intellectual Property Organization.
芝加哥风格引文World Intellectual Property Organization. Background Reading Material on the Intellectual Property System of China. Geneva: World Intellectual Property Organization, 1993.
MLA引文World Intellectual Property Organization. Background Reading Material on the Intellectual Property System of China. World Intellectual Property Organization, 1993.
警告：这些引文格式不一定是100％准确.