APA-viite (7. p.)

Ovretveit, J. (1998). Evaluating health interventions: An introduction to evaluation of health treatments, services, policies and organizational interventions (First edition.). Open University Press.

Chicago-viite (17. p.)

Ovretveit, John. Evaluating Health Interventions: An Introduction to Evaluation of Health Treatments, Services, Policies and Organizational Interventions. First edition. Philadelphia: Open University Press, 1998.

MLA-viite (8. p.)

Ovretveit, John. Evaluating Health Interventions: An Introduction to Evaluation of Health Treatments, Services, Policies and Organizational Interventions. First edition. Open University Press, 1998.