"#1941 William Ackman" (بالإنجليزية). Forbes. Forbes Media LLC. 12 Nov 2019. Archived from the original on 2020-06-06. Retrieved 2018-02-12.
fortune.com
Parloff, Roger (9 Sep 2015). "The siege of Herbalife" (بالإنجليزية). Fortune. Fortune Media IP Limited. Archived from the original on 2019-12-05. Retrieved 2017-06-21.
Rojas، Claudio. "Eclipse of the Public Corporation Revisited: Concentrated Equity Ownership Theory". The University of Oxford. مؤرشف من الأصل في 2019-08-05. اطلع عليه بتاريخ 2017-06-27. ("A common misconception, that all shareholder activists are focused on short-term returns, is rooted in an antiquated phase in US capital markets history – particularly, the highly opportunistic transactions of 1980's 'corporate raiders'. In recent years, however, shareholder activism has noticeably shifted towards longer-term value creation".)
Rojas، Claudio. "Eclipse of the Public Corporation Revisited: Concentrated Equity Ownership Theory". The University of Oxford. مؤرشف من الأصل في 2019-08-05. اطلع عليه بتاريخ 2017-06-27. ("A common misconception, that all shareholder activists are focused on short-term returns, is rooted in an antiquated phase in US capital markets history – particularly, the highly opportunistic transactions of 1980's 'corporate raiders'. In recent years, however, shareholder activism has noticeably shifted towards longer-term value creation".)
Parloff, Roger (9 Sep 2015). "The siege of Herbalife" (بالإنجليزية). Fortune. Fortune Media IP Limited. Archived from the original on 2019-12-05. Retrieved 2017-06-21.