Duum, J. M., & Azmi Bazir, J. H. (2014). A study on service quality at Open University Malaysia and its relationship with students satisfaction / Joshua Mariyam Duum and Jamadil Halim Azmi Bazir.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Duum, Joshua Mariyam, و Jamadil Halim Azmi Bazir. A Study on Service Quality at Open University Malaysia and Its Relationship with Students Satisfaction / Joshua Mariyam Duum and Jamadil Halim Azmi Bazir. 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Duum, Joshua Mariyam, و Jamadil Halim Azmi Bazir. A Study on Service Quality at Open University Malaysia and Its Relationship with Students Satisfaction / Joshua Mariyam Duum and Jamadil Halim Azmi Bazir. 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.