Docherty, A., Harrison, E., Green, C., Hardwick, H., Pius, R., Norman, L., . . . investigators, I. (2020). Features of 20 133 UK patients in hospital with covid-19 using the ISARIC WHO Clinical Characterisation Protocol: Prospective observational cohort study. BMJ Publishing Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Docherty, AB, et al. Features of 20 133 UK Patients in Hospital with Covid-19 Using the ISARIC WHO Clinical Characterisation Protocol: Prospective Observational Cohort Study. BMJ Publishing Group, 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Docherty, AB, et al. Features of 20 133 UK Patients in Hospital with Covid-19 Using the ISARIC WHO Clinical Characterisation Protocol: Prospective Observational Cohort Study. BMJ Publishing Group, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.