"The International Classification of Sleep Disorders, Revised: Diagnostic and Coding Manual". 2001 edition, ISBN0-9657220-1-5, PDF-complete, Library of Congress Catalog No. 97-71405. Archived copy(PDF). [2011-07-26]. (原始内容(PDF)存档于2011-07-26)..
"The International Classification of Sleep Disorders, Revised: Diagnostic and Coding Manual". 2001 edition, ISBN0-9657220-1-5, PDF-complete, Library of Congress Catalog No. 97-71405. Archived copy(PDF). [2011-07-26]. (原始内容(PDF)存档于2011-07-26)..