Brittain, J. M., & Irving, A. (1976). Trends in the education of users of libraries and information services in the USA: A report submitted to the British Library Research and Development Department. Dept. of Library and Information Studies, Loughborough University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Brittain, John Michael, و Ann Irving. Trends in the Education of Users of Libraries and Information Services in the USA: A Report Submitted to the British Library Research and Development Department. Loughborough: Dept. of Library and Information Studies, Loughborough University, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Brittain, John Michael, و Ann Irving. Trends in the Education of Users of Libraries and Information Services in the USA: A Report Submitted to the British Library Research and Development Department. Dept. of Library and Information Studies, Loughborough University, 1976.