Campbell, Mary. "FIN Alternatives"(PDF). Tsai Capital. Stone Street Media LLC. Archived from the original(PDF) on 24 February 2015. Retrieved 8 May 2015.
Campbell, Mary. "FIN Alternatives"(PDF). Tsai Capital. Stone Street Media LLC. Archived from the original(PDF) on 24 February 2015. Retrieved 8 May 2015.