Campbell, H., Stokes, E., Bargo, D., Logan, R., Mora, A., Hodge, R., . . . Jairath, V. (2015). Costs and quality of life associated with acute upper gastrointestinal bleeding in the UK: Cohort analysis of patients in a cluster randomised trial. BMJ Publishing Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Campbell, H., et al. Costs and Quality of Life Associated with Acute Upper Gastrointestinal Bleeding in the UK: Cohort Analysis of Patients in a Cluster Randomised Trial. BMJ Publishing Group, 2015.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Campbell, H., et al. Costs and Quality of Life Associated with Acute Upper Gastrointestinal Bleeding in the UK: Cohort Analysis of Patients in a Cluster Randomised Trial. BMJ Publishing Group, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.