Ovretveit, J. (1998). Evaluating health interventions: An introduction to evaluation of health treatments, services, policies and organizational interventions (First edition.). Open University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ovretveit, John. Evaluating Health Interventions: An Introduction to Evaluation of Health Treatments, Services, Policies and Organizational Interventions. First edition. Philadelphia: Open University Press, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ovretveit, John. Evaluating Health Interventions: An Introduction to Evaluation of Health Treatments, Services, Policies and Organizational Interventions. First edition. Open University Press, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.