Lowdermilk, D., & Perry, S. (2006). Maternity Nursing. Mosby Elsevier.
Lua i Stíl Chicago (17ú heag.)Lowdermilk, Ditra, agus Shannon Perry. Maternity Nursing. Mosby Elsevier, 2006.
Lua MLA (9ú heag.)Lowdermilk, Ditra, agus Shannon Perry. Maternity Nursing. Mosby Elsevier, 2006.
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