AL- Assaf, A. (2000). Health care quality: An international perspective. World Health Organization.
Chicago-viite (17. p.)AL- Assaf, A.F. Health Care Quality: An International Perspective. New Delhi: World Health Organization, 2000.
MLA-viite (8. p.)AL- Assaf, A.F. Health Care Quality: An International Perspective. World Health Organization, 2000.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.