Não informado. (2000). Nursing and Health Care Perspectives. National League for Nursing.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Nursing and Health Care Perspectives. New York: National League for Nursing, 2000.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Nursing and Health Care Perspectives. National League for Nursing, 2000.
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