Deaf people and linguistic research互联网档案馆的存檔，存档日期2011-06-04. ,Professor Bencie Woll ,Director of the Deafness, Cognition and Language Research Centre based at University College London. British Science Association. Accessed October 2010.
Deaf people and linguistic research互联网档案馆的存檔，存档日期2011-06-04. ,Professor Bencie Woll ,Director of the Deafness, Cognition and Language Research Centre based at University College London. British Science Association. Accessed October 2010.
