LOWDERMILK, D. L., & PERRY, S. E. (2006). Maternity nursing (7th ed.). Mosby Elsevier.
Lua i Stíl Chicago (17ú heag.)LOWDERMILK, Deitra Leonard, agus Sharon E. PERRY. Maternity Nursing. 7th ed. St. Louis, Mo.: Mosby Elsevier, 2006.
Lua MLA (9ú heag.)LOWDERMILK, Deitra Leonard, agus Sharon E. PERRY. Maternity Nursing. 7th ed. Mosby Elsevier, 2006.
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