American National Standards Institute. Standards Committee on Standardization in the Field of Library Work Documentation, and Related Publishing Practices. Subcommittee 7., & Council of National Library Associations (U.S.). (1969). American national standard for library statistics. The Institute.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American National Standards Institute. Standards Committee on Standardization in the Field of Library Work Documentation, and Related Publishing Practices. Subcommittee 7., و Council of National Library Associations (U.S.). American National Standard for Library Statistics. New York: The Institute, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American National Standards Institute. Standards Committee on Standardization in the Field of Library Work Documentation, and Related Publishing Practices. Subcommittee 7., و Council of National Library Associations (U.S.). American National Standard for Library Statistics. The Institute, 1969.