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Lua i Stíl Chicago (17ú heag.)International Society for Prenatal Diagnosis. Prenatal Diagnosis. Sussex, Inglaterra: John Wiley & Sons, 1981.
Lua MLA (8ú heag.)International Society for Prenatal Diagnosis. Prenatal Diagnosis. John Wiley & Sons, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.