Sinnathuray, T. A. (1967). Prolapse of the umbilical cord: An epidemiological clinical survey of 264 consecutive cases and experimental demonstration of vascular spasm as a mechanism of foetal death.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sinnathuray, Thirunavuk Arasu. Prolapse of the Umbilical Cord: An Epidemiological Clinical Survey of 264 Consecutive Cases and Experimental Demonstration of Vascular Spasm as a Mechanism of Foetal Death. 1967.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sinnathuray, Thirunavuk Arasu. Prolapse of the Umbilical Cord: An Epidemiological Clinical Survey of 264 Consecutive Cases and Experimental Demonstration of Vascular Spasm as a Mechanism of Foetal Death. 1967.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.