Não informado. (2000). Nursing and Health Care Perspectives. National League for Nursing.
Lua i Stíl Chicago (17ú heag.)Não informado. Nursing and Health Care Perspectives. New York: National League for Nursing, 2000.
Lua MLA (8ú heag.)Não informado. Nursing and Health Care Perspectives. National League for Nursing, 2000.
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