Export Promotion Training Course, 4th, Rome, 1975. (1975). Summaries of the presentations delivered at 4th Export Promotion Training Course under the sponsorship of the Italian Foreign Trade Ministry, Rome, 20th Jan.-28th Mar. 1975, in cooperation with International Trade Center (I.T.C.) UNCTAD. Italian Institute for Foreign Trade.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Export Promotion Training Course, 4th, Rome, 1975. Summaries of the Presentations Delivered at 4th Export Promotion Training Course Under the Sponsorship of the Italian Foreign Trade Ministry, Rome, 20th Jan.-28th Mar. 1975, in Cooperation with International Trade Center (I.T.C.) UNCTAD. Genava: Italian Institute for Foreign Trade, 1975.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Export Promotion Training Course, 4th, Rome, 1975. Summaries of the Presentations Delivered at 4th Export Promotion Training Course Under the Sponsorship of the Italian Foreign Trade Ministry, Rome, 20th Jan.-28th Mar. 1975, in Cooperation with International Trade Center (I.T.C.) UNCTAD. Italian Institute for Foreign Trade, 1975.