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Lua i Stíl Chicago (17ú heag.)Shaver, david c. Clinical Manual of Obstetrics. Mc Graw-Hill, 1993.
Lua MLA (9ú heag.)Shaver, david c. Clinical Manual of Obstetrics. Mc Graw-Hill, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.