(1990). Development of vaccines against cholera and diarrhoea due to enterotoxigenic Escherichia coli: Memorandum from a WHO meeting. World Health Organization.
استشهاد بنمط شيكاغوDevelopment of Vaccines against Cholera and Diarrhoea Due to Enterotoxigenic Escherichia Coli: Memorandum From a WHO Meeting. World Health Organization, 1990.
MLA استشهادDevelopment of Vaccines against Cholera and Diarrhoea Due to Enterotoxigenic Escherichia Coli: Memorandum From a WHO Meeting. World Health Organization, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.