World Intellectual Property Organization. (1970). Patent cooperation treaty (PCT), done at Washington, June 19, 1970. World Intellectual Property Organization.
芝加哥风格引文World Intellectual Property Organization. Patent Cooperation Treaty (PCT), Done at Washington, June 19, 1970. Geneva: World Intellectual Property Organization, 1970.
MLA引文World Intellectual Property Organization. Patent Cooperation Treaty (PCT), Done at Washington, June 19, 1970. World Intellectual Property Organization, 1970.
警告：这些引文格式不一定是100％准确.