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Lua MLA (8ú heag.)伊德兹科夫斯基 agus 库宗波. 睡眠决定健康: Secret to Sleeping Well and Waking Refreshed Sleep. 凤凰出版社, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.