Ang, H. L. (2006). The prevalence, demographic characteristics and morbidity related to major birth defects among the paediatric in-patients at University Malaya Medical Centre.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ang, Hak Lee. The Prevalence, Demographic Characteristics and Morbidity Related to Major Birth Defects Among the Paediatric In-patients at University Malaya Medical Centre. 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ang, Hak Lee. The Prevalence, Demographic Characteristics and Morbidity Related to Major Birth Defects Among the Paediatric In-patients at University Malaya Medical Centre. 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.