NPD 2008 sales figures | Video Game Sales Wiki | Fandom
Worldwide Hardware Sales 2010 | TheSixthAxis
NPD 2009 sales figures | Video Game Sales Wiki | Fandom
Why PS Vita's Japanese Sales Figures Aren't Bad After All | TheSixthAxis
Japan's Console Sales - February 2011 | TheSixthAxis
Where Switch, PS5 Rank Among the Best-Selling Video Game Consoles of All Time - IGN
PSP lifetime unit sales by region 2022 | Statista
A Visual Look at PlayStation Sales Numbers
Report: PlayStation Brand 'In Decisive Decline in Japan,' Research Firm 'Deeply Concerned'
Switch vs PS4 vs Xbox One Global Lifetime Sales - January 2021
Gamasutra - NPD: Behind the Numbers, February 2010
The first 2 years: PSP has sold better in the US than PS1, DS, more | Engadget
June's console sales: oh dear, Nintendo wins again | TechCrunch
Who won? First-week sales of PS Vita vs. PSP vs. 3DS vs. DS (infographic) | VentureBeat
List of best-selling game consoles - Wikipedia
Nintendo's Switch to Success: 20 Years of Nintendo Console Sales
The first 2 years: PSP has sold better in the US than PS1, DS, more | Engadget
Japan dozes through the latest Media Create sales figures
By the numbers: in portable gaming, Nintendo's loss is Apple's gain - The Verge
Nintendo Switch OLED's lack of ambition has opened the door for a Sony PSP 5G | T3
Report: Consoles sold over 1.56 billion units since Atari 2600 in 1977 | TweakTown
It's all about Nintendo as Wii, DS dominate November sales | Ars Technica
Looking back at 2009 console sales and ahead to 2010 trends | Ars Technica
2010 fiscal year | Video Game Sales Wiki | Fandom
