(页面存档备份,存于互联网档案馆): "A recurrent joke in linguistics courses ... is the quip that ..." WaltWolfram, Natalie Schilling, American English: Dialects and Variation, p. 218
Brenzinger(ed.)Language Death, pp. 7–30. Schilling-Estes, Natalie; & Wolfram, Walt. (1999). Alternative models of dialect death: Dissipation vs. concentration
匈牙利公民联盟主席欧尔班致信欧洲人民党党团领袖韦伯,表示青年民主主义者联盟-匈牙利公民联盟欧洲议会议员退出欧洲人民党。 Nordsieck, Wolfram. Hungary. Parties and Elections in Europe. 2018 [2020-04-05]. (原始内容存档于2012-03-30)