Siti Zarina Amir Hassan. (2005). Epidemiology study of vitamin D deficiency and insufficiency among community dwelling postmenopausal women with osteoporosis.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Siti Zarina Amir Hassan. Epidemiology Study of Vitamin D Deficiency and Insufficiency Among Community Dwelling Postmenopausal Women with Osteoporosis. 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Siti Zarina Amir Hassan. Epidemiology Study of Vitamin D Deficiency and Insufficiency Among Community Dwelling Postmenopausal Women with Osteoporosis. 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.