Full Reference
Wikipedia Contributors. “BerkShares”. Wikipedia. Feb 24, 2020. Accessed before May 2020. https://en.wikipedia.org/w/index.php?title=BerkShares&oldid=942430118
Wikipedia Contributors. “BerkShares”. Wikipedia. Feb 24, 2020. Accessed before May 2020. https://en.wikipedia.org/w/index.php?title=BerkShares&oldid=942430118