Gupta, S., Kaushik, R., Sharma, R., & Attri, A. (2005). The management of large perforations of duodenal ulcers. BioMed Central.
Chicago-стиль цитированияGupta, Sanjay, Robin Kaushik, Rajeev Sharma, and Ashok Attri. The Management of Large Perforations of Duodenal Ulcers. BioMed Central, 2005.
MLA-цитированиеGupta, Sanjay, Robin Kaushik, Rajeev Sharma, and Ashok Attri. The Management of Large Perforations of Duodenal Ulcers. BioMed Central, 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.