Ahmad Khaldun Ismail. (2009). Application of alvarado score for early management of adult acute appendicitis in the Emergency Department Universiti Kebangsaan Malaysia Medical Centre. Faculty of Medicine, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmad Khaldun Ismail. Application of Alvarado Score for Early Management of Adult Acute Appendicitis in the Emergency Department Universiti Kebangsaan Malaysia Medical Centre. Kuala Lumpur: Faculty of Medicine, Universiti Kebangsaan Malaysia, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmad Khaldun Ismail. Application of Alvarado Score for Early Management of Adult Acute Appendicitis in the Emergency Department Universiti Kebangsaan Malaysia Medical Centre. Faculty of Medicine, Universiti Kebangsaan Malaysia, 2009.