Nuruddin Badruddin Mohammed. (2001). Interdelivery time interval between the first and second twin: Does it have any influence on second twin morbidity and maternal outcome.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nuruddin Badruddin Mohammed. Interdelivery Time Interval Between the First and Second Twin: Does It Have Any Influence on Second Twin Morbidity and Maternal Outcome. 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nuruddin Badruddin Mohammed. Interdelivery Time Interval Between the First and Second Twin: Does It Have Any Influence on Second Twin Morbidity and Maternal Outcome. 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.