Farrah, M. A. H. A. (2006). An evaluation of an online English for academic writing programme using the IHEP 2000 quality benchmarks. Centre for Languages and Pre-University Academic Development (CELPAD), International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Farrah, Muh'd Abdel Hakim Aref. An Evaluation of an Online English for Academic Writing Programme Using the IHEP 2000 Quality Benchmarks. Gombak, Selangor: Centre for Languages and Pre-University Academic Development (CELPAD), International Islamic University Malaysia, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Farrah, Muh'd Abdel Hakim Aref. An Evaluation of an Online English for Academic Writing Programme Using the IHEP 2000 Quality Benchmarks. Centre for Languages and Pre-University Academic Development (CELPAD), International Islamic University Malaysia, 2006.