International Symposium on Bibliographic Exchange Formats Taormina, Italy, UNISIST International Centre for Bibliographic Descriptions, Unesco, Dierickx, H., & Hopkinson, A. (1978). Towards a common bibliographic exchange formatn: International Symposium on Bibliographic Exchange Formats, Taormina, Sicily, 27-29 April 1978. UMKDK-TECHNOINFORM.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Symposium on Bibliographic Exchange Formats Taormina, Italy, UNISIST International Centre for Bibliographic Descriptions, Unesco, H. Dierickx, و A. Hopkinson. Towards a Common Bibliographic Exchange Formatn: International Symposium on Bibliographic Exchange Formats, Taormina, Sicily, 27-29 April 1978. Budapest: UMKDK-TECHNOINFORM, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Symposium on Bibliographic Exchange Formats Taormina, Italy, et al. Towards a Common Bibliographic Exchange Formatn: International Symposium on Bibliographic Exchange Formats, Taormina, Sicily, 27-29 April 1978. UMKDK-TECHNOINFORM, 1978.