Zacks (February 14, 2013). "CBI Completes Shaw Acquisition". Yahoo Finance. Chicago, IL: Zacks Equity Research. Archived from the original on February 16, 2017. Retrieved February 15, 2017 – via Finance.Yahoo.com.
Zacks (February 14, 2013). "CBI Completes Shaw Acquisition". Yahoo Finance. Chicago, IL: Zacks Equity Research. Archived from the original on February 16, 2017. Retrieved February 15, 2017 – via Finance.Yahoo.com.