Mahmud Zuhdi Abdullah. (2013). Comparison of I-gel and LMA-Supreme with respect to ease of insertion, sealing airway pressure and postoperative throat complaints. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mahmud Zuhdi Abdullah. Comparison of I-gel and LMA-Supreme with Respect to Ease of Insertion, Sealing Airway Pressure and Postoperative Throat Complaints. Kuala Lumpur: Universiti Kebangsaan Malaysia, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mahmud Zuhdi Abdullah. Comparison of I-gel and LMA-Supreme with Respect to Ease of Insertion, Sealing Airway Pressure and Postoperative Throat Complaints. Universiti Kebangsaan Malaysia, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.