Wii U, PS4: sales figures in Germany 2018 | Statista
CES 2020: Sony announces updated PlayStation statistics – PS4 sales reach 106 million | KitGuru
Nintendo Switch Passes the PS4 in Overall Unit Sales in the U.S. - PlayStation LifeStyle
Global PS4 console unit sales 2021 | Statista
PS5 sales figures: PS5 hits 17.3 million shipments, PS4 at 117.1m | TweakTown
Global PS4 console unit sales 2021 | Statista
PlayStation hardware and software sales decline in Q3 FY19 | by Sohrab Osati | Sony Reconsidered
Switch vs PS4 vs Xbox One Global Lifetime Sales - January 2021
Sony Announces PS5 Sales Numbers, Says Putting MLB On Xbox Was A Good Move - GameSpot
PlayStation 4 lifetime unit sales by region 2022 | Statista
Sony celebrates 5 years of PlayStation 4, releases outstanding sales figures - NotebookCheck.net News
5 Reasons PS4 and Xbox One Sales Don't Mean What You Think They Do | Time
Updated numbers show PS4 with at least 65 percent of two-console market | Ars Technica
PS5 vs PS4 Sales Comparison - August 2021
Sony Talks PS4 Sales Figures, Microsoft Backfires
PS4 Sales Top 112 Million Units - IGN
PS4 Vs Xbox One Sales Figures: GameStock
PS4 vs Xbox One vs Switch: Console and Game Sales Numbers - 2019 | Hooked On Tech
PS4's sales dominance slackens slightly in holiday season | Ars Technica
PlayStation | Video Game Sales Wiki | Fandom
Here's how PlayStation 4 sales stack up to the best-selling game consoles ever
List of best-selling PlayStation 4 video games - Wikipedia
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
PS4 is the king of software with 1.5 billion games sold, dethrones PS2 | TweakTown
PlayStation 4 sales remain steady, surpass 7 million sold worldwide
