Burgess, A. W. (1978). Nursing: Levels of health intervention. Prentice-Hill.
Lua i Stíl Chicago (17ú heag.)Burgess, Ann Wolbert. Nursing: Levels of Health Intervention. London: Prentice-Hill, 1978.
Lua MLA (9ú heag.)Burgess, Ann Wolbert. Nursing: Levels of Health Intervention. Prentice-Hill, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.