Contracting Parties to the General Agreement on Tariffs and Trade. (1958). Protocol relating to negotiations for the establishment of new schedule III - Brazil - to the general agreement on tariffs and trade. s.n.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Contracting Parties to the General Agreement on Tariffs and Trade. Protocol Relating to Negotiations for the Establishment of New Schedule III - Brazil - to the General Agreement on Tariffs and Trade. Geneva: s.n, 1958.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Contracting Parties to the General Agreement on Tariffs and Trade. Protocol Relating to Negotiations for the Establishment of New Schedule III - Brazil - to the General Agreement on Tariffs and Trade. s.n, 1958.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.