Watkinson, G. (1987). Role of the BSG in the development of international gastroenterology. British Society of Gastroenterology. BMJ Group.
শিকাগো স্টাইলে সাইটেশনWatkinson, G. Role of the BSG in the Development of International Gastroenterology. British Society of Gastroenterology. BMJ Group, 1987.
এমএলএ সাইটেশনWatkinson, G. Role of the BSG in the Development of International Gastroenterology. British Society of Gastroenterology. BMJ Group, 1987.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.