Sathiyavani K.Gopal. (2007). The contribution of online problem based learning in a course on an E-Commerce Technology: The perception of students.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sathiyavani K.Gopal. The Contribution of Online Problem Based Learning in a Course on an E-Commerce Technology: The Perception of Students. 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sathiyavani K.Gopal. The Contribution of Online Problem Based Learning in a Course on an E-Commerce Technology: The Perception of Students. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.