Hoogstraal, 1957 Alberto A. Guglielmone; Richard G. Robbing; Dmitry A. Apanaskevich; Trevor N. Petney; Agustín Estrada-Peña; Ivan G. Horak; Renfu Shao;
Marketwatch.com - 财经新闻和信息网站 道琼斯工业平均指数 道氏理论 华尔街日报 彭博新闻社 新闻集团有关收购道琼斯的报道 Pérez-Peña, Richard. Shareholders Back Dow Jones Sale. The New York Times. 2007-12-13 [2020-05-28]
Pérez-Peña, Richard. "U.S. News Plans to Publish Biweekly and Expand Consumer Focus" (页面存档备份,存于互联网档案馆). The New York Times. June 11, 2008. Pérez-Peña, Richard