PlayStation 4 - Wikipedia
Switch vs PS4 vs Xbox One Global Lifetime Sales - August 2020
PS4 is Selling at a Faster Rate Than Xbox One | SAP Blogs
PS5 vs PS4 Sales Comparison - November 2021
Global PS4 console unit sales 2021 | Statista
Xbox One and PS4 sales numbers don't matter right now (but you don't care) - GameSpot
List of best-selling PlayStation 4 video games - Wikipedia
PS4 Has Sold More Games Than Any Other Console in History | Push Square
PS4's sales dominance slackens slightly in holiday season | Ars Technica
Switch vs PS4 vs Xbox One Global Lifetime Sales - June 2021
PlayStation Sales Numbers, Revenue & Users (2023)
PS4 vs Xbox One vs Switch: Console and Game Sales Numbers - 2019 | Hooked On Tech
Switch vs PS4 Sales Comparison - October 2021
Estimates Suggest PS4 Has Sold More than Double the Number of Xbox Ones Overall - Power Up Gaming
PS5 Sales Numbers 2023: How Many Playstation 5's Have Been Sold? - GameRevolution
PlayStation 4 tops 91.6 million units sold - Gaming Age
PS4 Was The Best Selling Console of 2018 At 18M Sold Compared To 17.5M Shipped For Nintendo Switch
God of War Sales Have Passed 10 Million - IGN
PlayStation Sales Numbers, Revenue & Users (2023)
PlayStation 4 Becomes Fastest-Ever Home Console to Sell 100 Million Units – GTPlanet
Updated numbers show PS4 with at least 65 percent of two-console market | Ars Technica
Sony PlayStation 4 Holiday Sales
It's official: Sony is the king of the consoles again – GeekWire
Chart: Nintendo Switch Passes PS4, Looks Unlikely to Catch PS2 | Statista
CES 2020: Sony announces updated PlayStation statistics – PS4 sales reach 106 million | KitGuru
PlayStation Sales Numbers, Revenue & Users (2023)
PlayStation 4 lifetime unit sales by region 2022 | Statista
