De Lee, J. B. (1927). Obstetrics for nurses (8th ed., rev.). W. B. Saunders Co..
Lua i Stíl Chicago (17ú heag.)De Lee, Joseph B. Obstetrics for Nurses. 8th ed., rev. Philadelphia and London: W. B. Saunders Co., 1927.
Lua MLA (8ú heag.)De Lee, Joseph B. Obstetrics for Nurses. 8th ed., rev. W. B. Saunders Co., 1927.
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