Chu, H. (2007). Information representation and retrieval in the digital age (Third printing 2007.). ASIST, American Society for Information Science and Technology by Information Today.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chu, Heting. Information Representation and Retrieval in the Digital Age. Third printing 2007. Medford, New Jersey: ASIST, American Society for Information Science and Technology by Information Today, 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chu, Heting. Information Representation and Retrieval in the Digital Age. Third printing 2007. ASIST, American Society for Information Science and Technology by Information Today, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.