Yusoff, Z. (2013). The degree of obesity that contribute to the failure epidural anaesthesia for parturient mothers undergoing lower segment caesarian section.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Yusoff, Zafri. The Degree of Obesity That Contribute to the Failure Epidural Anaesthesia for Parturient Mothers Undergoing Lower Segment Caesarian Section. 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Yusoff, Zafri. The Degree of Obesity That Contribute to the Failure Epidural Anaesthesia for Parturient Mothers Undergoing Lower Segment Caesarian Section. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.