End of an era: Microsoft halts production of the Xbox 360 - ExtremeTech
Charts: The State of the Multi-Billion Dollar Console Gaming Market
PlayStation 3: sales volume in Germany 2017 | Statista
Worldwide Hardware Sales 2010 | TheSixthAxis
PlayStation 3 & 4 unit sales U.S. 2020 | Statista
PS3 sales to hit 13 million in FY09, says Sony | VG247
Sony PS4 Poised to Pass PS3 Lifetime Sales, Switch Breaks 20 Million Units - ExtremeTech
Wii, PS3, Xbox 360: sales figures in Germany 2016 | Statista
Sony PlayStation 5 goes on sale in Hong Kong, but most gamers need to pay double to get one | South China Morning Post
Analysis: Xbox 360 poised to pass Wii in US sales by year's end | Ars Technica
Analysis: Xbox 360 poised to pass Wii in US sales by year's end | Ars Technica
PS5 vs PS3 Sales Comparison - October 2021
PS3 Sales At 87.4 Million As Of March 2017; Almost 1 Billion Units Of PS3 Software Sold
PlayStation 3 - Wikipedia
PS3 sales increase tenfold since relaunch | Games | The Guardian
NPD expects PS3 sales to jump 40-60% post-price cut | Engadget
NPD: US game industry slips 16% in August, PS3 sales nearly double - GameSpot
Gamasutra - NPD: Behind the Numbers, December 2010
Chart: Wii U Outsold by Xbox 360 and PS3 in Launch Week | Statista
PlayStation 3 sales by region 2021 | Statista
NPD Seventh generation | Video Game Sales Wiki | Fandom
Xbox 360 tops Wii and PS3 for 1st time in yearly global sales - GeekWire
