European Congress on Documentation Systems and Networks (1st, Commission of the European Communities, Bureau Marcel van Dijk, & Institut francais de formation permanente. (1974). First European congress on documentation systems and networks, Luxembourg, 16th, 17th and 18th May, 1973.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)European Congress on Documentation Systems and Networks (1st, Commission of the European Communities, Bureau Marcel van Dijk, و Institut francais de formation permanente. First European Congress on Documentation Systems and Networks, Luxembourg, 16th, 17th and 18th May, 1973. [Brussels], 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)European Congress on Documentation Systems and Networks (1st, et al. First European Congress on Documentation Systems and Networks, Luxembourg, 16th, 17th and 18th May, 1973. 1974.