NPD Group: Xbox One's Victory Streak Ends With PS4 Winning November 2016 - GameRevolution
Xbox One, PlayStation 4 fuel 50% spike in video game console sales - Los Angeles Times
December NPD – Xbox One leads in December - Xbox Wire
NPD: The Xbox One Was The Top-Selling Console In July - Game Informer
Xbox One selling more than twice as fast as Xbox 360 - Microsoft on NPD data | VG247
Microsoft: Xbox One Pre-Orders Outpacing Xbox 360 | PCMag
November 2014 NPD: Xbox One Defeats PS4, Call of Duty is #1
NPD: Xbox One, PS4 Sales in Canada Double That of 360/PS3's Launch - GameSpot
December 2014 NPD: Xbox One outsells PS4 again | VentureBeat
PS4 won the December NPD, but Xbox One had its biggest month yet and Microsoft says Sony saw no year-on-year growth | VG247
November NPD: Xbox One Overtakes PS4 This Month - Game Informer
Xbox One is Fastest Selling Console in the US; November NPD Group Figures Revealed - Xbox Wire
NPD: 70% Of Switch Owners Also Own A PS4 Or Xbox One – NintendoSoup
NPD Seventh generation | Video Game Sales Wiki | Fandom
/cdn.vox-cdn.com/uploads/chorus_image/image/26970661/xb1_review_photo-35.0.jpg "Xbox One bestselling console in US last month, NPD says - Polygon")
Xbox One bestselling console in US last month, NPD says - Polygon
NPD: 70% Of People In U.S Who Own A Nintendo Switch Also Own PS4 Or Xbox One - My Nintendo News
NPD: Nintendo Switch Sold 1.77 Million Units In The US In December 2018 – NintendoSoup
NPD: November was best month ever for PS4, Xbox One | GamesIndustry.biz
April NPD: Xbox One outsells PS4 – Destructoid
Xbox One beats PlayStation 4 in July 2016 NPD ahead of Xbox One S launch - AR12Gaming
Xbox One Wins September NPD, Makes it Three Months in a Row
December 2013 NPD: While both supply constrained, Xbox One outsells PlayStation 4 | VentureBeat
NPD Group: Xbox 360 holds the No. 1 US console spot in October - The Official Microsoft Blog
NPD numbers: Xbox One is the fastest-selling console in the US in November - The Official Microsoft Blog
