Hansen, H. F. (1943). A review of nursing (4th ed., rev.). W. B. Saunders company.
Lua i Stíl Chicago (17ú heag.)Hansen, Helen Fredericka. A Review of Nursing. 4th ed., rev. Philadelphia and London: W. B. Saunders company, 1943.
Lua MLA (8ú heag.)Hansen, Helen Fredericka. A Review of Nursing. 4th ed., rev. W. B. Saunders company, 1943.
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