Musa Ashur, S. T. (2010). Stress and it's associated factors among international postgraduate students at Universiti Kebangsaan Malaysia Medical Centre (UKMMC). Faculty of Medicine, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Musa Ashur, Sana Taher. Stress and It's Associated Factors Among International Postgraduate Students at Universiti Kebangsaan Malaysia Medical Centre (UKMMC). Kuala Lumpur: Faculty of Medicine, Universiti Kebangsaan Malaysia, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Musa Ashur, Sana Taher. Stress and It's Associated Factors Among International Postgraduate Students at Universiti Kebangsaan Malaysia Medical Centre (UKMMC). Faculty of Medicine, Universiti Kebangsaan Malaysia, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.