Chartered Institute of Library and Information Professionals (Great Britain), Colleges of Further and Higher Education Group, Ennis, K., Eynon, A., Gray, C., & Watson, L. (2005). Guidelines for colleges: Recommendations for learning resources (Seventh edition.). Facet Publishing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chartered Institute of Library and Information Professionals (Great Britain), Colleges of Further and Higher Education Group, Kathy Ennis, Andrew Eynon, Carole Gray, و Lin Watson. Guidelines for Colleges: Recommendations for Learning Resources. Seventh edition. London: Facet Publishing, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chartered Institute of Library and Information Professionals (Great Britain), et al. Guidelines for Colleges: Recommendations for Learning Resources. Seventh edition. Facet Publishing, 2005.