Não informado. (1973). Nursing care. National Foundation of Licensed Practical Nurses.
Lua i Stíl Chicago (17ú heag.)Não informado. Nursing Care. New York: National Foundation of Licensed Practical Nurses, 1973.
Lua MLA (8ú heag.)Não informado. Nursing Care. National Foundation of Licensed Practical Nurses, 1973.
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