Umi Khalthum Md Noh. (2010). Visual status and refractive error among school - going orphan children ages 7 - 12 years old. Faculty of Medicine, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Umi Khalthum Md Noh. Visual Status and Refractive Error Among School - Going Orphan Children Ages 7 - 12 Years Old. Kuala Lumpur: Faculty of Medicine, Universiti Kebangsaan Malaysia, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Umi Khalthum Md Noh. Visual Status and Refractive Error Among School - Going Orphan Children Ages 7 - 12 Years Old. Faculty of Medicine, Universiti Kebangsaan Malaysia, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.