Garrett, M. J. (1999). Health futures: A handbook for health professionals. World Health Organization.
Chicago-viite (17. p.)Garrett, Martha J. Health Futures: A Handbook for Health Professionals. Geneva: World Health Organization, 1999.
MLA-viite (9. p.)Garrett, Martha J. Health Futures: A Handbook for Health Professionals. World Health Organization, 1999.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.