Duweik, H. J. (2008). An Online Cognitive, Adaptive, Practice based Approach for ITS: An Approach to IT professional certifications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Duweik, Hikmat Jadalla. An Online Cognitive, Adaptive, Practice Based Approach for ITS: An Approach to IT Professional Certifications. 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Duweik, Hikmat Jadalla. An Online Cognitive, Adaptive, Practice Based Approach for ITS: An Approach to IT Professional Certifications. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.