Selingo, with David Greene. 2013 [09-05-2013]. (With Gorgeous Dorms But Little Cash, Colleges Must Adapt 原始内容 请检查|url=值 (帮助)存档于2021-01-23). 请检查|access-date=中的日期值
Robinhood and its founders for being unethical by selling payment for order flow to HFT firms like Citadel Securities and pushed his fans to switch over to