(原始内容存档于2022-03-25). Bronskill, Jim. Tax on legalized pot won't be a cashcow: PM. CTV News. 加新社. 17 December 2015 [23 December 2015]. (原始内容存档于2022-06-01)
(原始内容存档于2021-03-09). Discussions of Microsoft's business practices: Microsoft's Sacred CashCow (Seattle Weekly) CNN.com - Microsoft: Flaw left millions at risk (Flaw