Wales) (页面存档备份,存于互联网档案馆) NationalAssociation to Stop Guardian Abuse (NASGA) (页面存档备份,存于互联网档案馆) USA German guardianship law (english translation) (页面存档备份,存于互联网档案馆)
varieties of English, Berlin: Mouton de Gruyter, 2004 Ladefoged, Peter, American English, Handbook of the International Phonetic Association, Cambridge