NPD: 70% Of Switch Owners Also Own A PS4 Or Xbox One - NintendoSoup
NPD Group: Xbox 360 holds the No. 1 US console spot in October - The Official Microsoft Blog
Mat Piscatella on Twitter: "To celebrate the latest #InsideXbox here are the Xbox One's top 10 best-selling games, both all games and exclusives (including PC) only. Source: The NPD Group https://t.co/w8FXu3vkeR" /
Xbox Series Just Broke Its US Dollar Sales Record - IGN
PlayStation 4 outsells Xbox One in the February 2016 NPD - AR12Gaming
April NPD: PS4 Outsells Xbox One for the Fourth Month in a Row | Time
NPD: The Xbox One Was The Top-Selling Console In July - Game Informer
July 2015 NPD sales - Gen 8 console sales up 5% YOY
December 2014 NPD: Xbox One outsells PS4 again | VentureBeat
October NPD: Xbox One Beats PS4 In The US Once Again
NPD: Xbox One is the "fastest-selling" console in November and Call of Duty leads software - GameSpot
NPD: Xbox One was the 2nd Best selling console (after Switch) in Dec. : r/ xboxone
Microsoft Will Ensure Retail Is Involved With Xbox One In Spite of Game Pass, Says NPD Analyst
Xbox One X 'performing phenomenally' says NPD | Windows Central
Xbox One sales have nearly doubled since 2017 says NPD | Windows Central
NPD: Switch ended up with more games in 2019 than PS4 and Xbox One combined
NPD: Xbox One is the "Fastest Selling" Next Gen Console, Sold 909,132 in First 9 Days, Two Games Sold Per Unit
June NPD: PS4 Brushes Aside Xbox One Price Drop for Sixth Month at Summit - Push Square
NPD: 1 in 3 Americans with PS4 or Xbox One owns both consoles
NPD Analyst: PS5 and Xbox Series X Won't Impact Nintendo Switch Sales
Xbox One Wins September NPD, Makes it Three Months in a Row
NPD: Xbox One Console Sales Outpace PS4 - GameRevolution
