Analysis: Sony pushes past 50 percent of the worldwide console market | Ars Technica
Video game analyst: Xbox One finally passes PS4 in monthly U.S. sales – GeekWire
Global Xbox gaming consoles unit sales 2021 | Statista
Microsoft's console business falters a bit in early 2015 | Ars Technica
Court Documents Confirm Xbox One Sold Less Than Half PS4 Numbers | GameLuster
PS4 vs Xbox One vs Wii U Global Lifetime Sales – July 2015 Update | N4G
PS4 vs Xbox One vs Wii U Global Lifetime Sales - April 2016 Update | N4G
Switch vs PS4 vs Xbox One Global Lifetime Sales - August 2020
Two million Xbox One consoles sold worldwide – XBLAFans
Chart: Sony Holds Edge Over Microsoft in Battle for the Living Room | Statista
Xbox One Sold Less Than Half PS4
ᐈ Switch vs PS4 vs Xbox One Global Sales – 2017-2018 • WePlay!
Xbox One sold 3 million units in 2013, Microsoft says - GameSpot
Report: Xbox Series X|S reaches almost 14 million units sold globally, with PS5 still leading this race | Game World Observer
PlayStation 4 Sales Beat Xbox One in January
Project xCloud: Can Master Chief win the day for Microsoft Azure? - /src/ blog
Game On: PlayStation 5 sales booming, Xbox sales slacking | The Spokesman-Review
What Sony's '4.2 Million PS4s Sold' Figure Actually Means - IGN
