Ahmad Shahir Mawardi. (2012). Osteoporosis and osteopenia in patients with Parkinson's disease in UKMMC: A case control study. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmad Shahir Mawardi. Osteoporosis and Osteopenia in Patients with Parkinson's Disease in UKMMC: A Case Control Study. Kuala Lumpur: Universiti Kebangsaan Malaysia, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmad Shahir Mawardi. Osteoporosis and Osteopenia in Patients with Parkinson's Disease in UKMMC: A Case Control Study. Universiti Kebangsaan Malaysia, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.