Gupta, S., Kaushik, R., Sharma, R., & Attri, A. (2005). The management of large perforations of duodenal ulcers. BioMed Central.
استشهاد بنمط شيكاغوGupta, Sanjay, Robin Kaushik, Rajeev Sharma, و Ashok Attri. The Management of Large Perforations of Duodenal Ulcers. BioMed Central, 2005.
MLA استشهادGupta, Sanjay, Robin Kaushik, Rajeev Sharma, و Ashok Attri. The Management of Large Perforations of Duodenal Ulcers. BioMed Central, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.