PS4 vs Xbox One in the US – VGChartz Gap Charts – September 2019
Physical console games are quickly becoming a relatively niche market | Ars Technica
Switch vs PS4 vs Xbox One Global Lifetime Sales – December 2019
PS5 vs Xbox Series X: Console and Game Sales Numbers – Jan2021 | Hooked On Tech
Switch vs PS4 vs Xbox One Global Lifetime Sales – July 2019
Gaming consoles sales spike by 36% with 22 million units sold amid pandemic | News | FOCUS ON Business - Created by Pro Progressio
PS4 and Xbox One vs PS3 and Xbox 360 - VGChartz Gap Charts – May 2019 Update | N4G
PS4 vs Xbox One in the US – VGChartz Gap Charts – June 2019 Update
Switch vs PS4 vs Xbox One Global Lifetime Sales - May 2021
Despite Xbox shortages, Microsoft reports $3.6B in Q3 gaming revenue, 232% growth in hardware sales – GeekWire
Xbox One - Wikipedia
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers | Hooked On Tech
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
Switch vs PS4 vs Xbox One Global Lifetime Sales – December 2019
Global Xbox One annual unit sales 2021 | Statista
PS4 vs Xbox One vs Switch: Console and Game Sales Numbers - 2019 | Hooked On Tech
Xbox - Wikipedia
Nintendo Switch growth continues as aging rivals Sony PS4 and Microsoft Xbox One stagnate – GeekWire
Switch vs PS4 vs Xbox One Global Lifetime Sales – July 2019
PS4 Vs Xbox One Sales - What Are The Figures? - PlayStation Universe
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
Global Xbox One annual unit sales 2021 | Statista
