Noorhidawati Abdullah. (2007). A study into usability of tools for searching and browsing e-books with particular reference to back-of-the-book index.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Noorhidawati Abdullah. A Study into Usability of Tools for Searching and Browsing E-books with Particular Reference to Back-of-the-book Index. 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Noorhidawati Abdullah. A Study into Usability of Tools for Searching and Browsing E-books with Particular Reference to Back-of-the-book Index. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.