Abtar Kaur Darshan Singh. (2001). Design and evaluation of a web-based constructivist learning environment for primary school students.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abtar Kaur Darshan Singh. Design and Evaluation of a Web-based Constructivist Learning Environment for Primary School Students. 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abtar Kaur Darshan Singh. Design and Evaluation of a Web-based Constructivist Learning Environment for Primary School Students. 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.