World Intellectual Property Organization. (2003). Patent cooperation treaty (PCT), done at Washington on June 19, 1970, amended on September 28, 1979, modified on February 3, 1984, and on October 3, 2001 and regulations under the PCT (as in force from January 1, 2003). World Intellectual Property Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Intellectual Property Organization. Patent Cooperation Treaty (PCT), Done at Washington on June 19, 1970, Amended on September 28, 1979, Modified on February 3, 1984, and on October 3, 2001 and Regulations Under the PCT (as in Force from January 1, 2003). Geneva: World Intellectual Property Organization, 2003.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Intellectual Property Organization. Patent Cooperation Treaty (PCT), Done at Washington on June 19, 1970, Amended on September 28, 1979, Modified on February 3, 1984, and on October 3, 2001 and Regulations Under the PCT (as in Force from January 1, 2003). World Intellectual Property Organization, 2003.