The institute of national planning & Nosseir, a. (2012). Towards developing an assessment metric for e-services: Case study egypt. The institute of national planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)The institute of national planning و ann Nosseir. Towards Developing an Assessment Metric for E-services: Case Study Egypt. cairo: The institute of national planning, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)The institute of national planning و ann Nosseir. Towards Developing an Assessment Metric for E-services: Case Study Egypt. The institute of national planning, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.