International Federation of Library Associations and Institutions. Working Group on the International Standard Bibliographic Description for Computer Files & IFLA UBCIM Programme. (1990). ISBD (CF), International Standard Bibliographic Description for Computer Files. IFLA Universal Bibliographic Control and International MARC Programme.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Federation of Library Associations and Institutions. Working Group on the International Standard Bibliographic Description for Computer Files و IFLA UBCIM Programme. ISBD (CF), International Standard Bibliographic Description for Computer Files. London: IFLA Universal Bibliographic Control and International MARC Programme, 1990.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Federation of Library Associations and Institutions. Working Group on the International Standard Bibliographic Description for Computer Files و IFLA UBCIM Programme. ISBD (CF), International Standard Bibliographic Description for Computer Files. IFLA Universal Bibliographic Control and International MARC Programme, 1990.