Garrett, M. J. (1999). Health futures a handbook for health professionals. World Health Organization.
Lua i Stíl Chicago (17ú heag.)Garrett, Martha J. Health Futures a Handbook for Health Professionals. Geneva: World Health Organization, 1999.
Lua MLA (8ú heag.)Garrett, Martha J. Health Futures a Handbook for Health Professionals. World Health Organization, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.