Switch vs PS4 Sales Comparison – January 2021
Best PlayStation deals for February 2022: PS4, PS5 | Digital Trends
Holiday Sale promotion Round 2 comes to PlayStation Store – PlayStation.Blog
Switch vs PS4 vs Xbox One Global Lifetime Sales - June 2021
Playing the sales game: Do game releases actually increase console sales? - Page 3 of 4 - ExtremeTech
PlayStation hardware and software sales decline in Q3 FY19 | by Sohrab Osati | Sony Reconsidered
Playing the sales game: Do game releases actually increase console sales? - Page 3 of 4 - ExtremeTech
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
PlayStation Store's First Massive PS4 Sale of 2020 Is Here
Switch vs PS4 Sales Comparison – January 2021
PlayStation 4 sales hit 112.3 million worldwide, up 1.9 million in Q1 | TweakTown
PlayStation 4 sales hit 112.3 million worldwide, up 1.9 million in Q1 | TweakTown
Switch vs PS4 vs Xbox One Global Lifetime Sales - November 2020
What Sony's '4.2 Million PS4s Sold' Figure Actually Means - IGN
FY2018 PlayStation 4 sales down as Sony gears up for next console | TechSpot
Switch vs PS4 vs Xbox One Global Lifetime Sales – March 2019
Switch vs PS4 vs Xbox One Global Lifetime Sales - January 2021
The Best PlayStation Deals - January 2022 - IGN
Two New PS Store Sales Contain Over 1,500 PS5, PS4 Game Deals - Push Square
Putting the PS4's 100 million sales in context | Ars Technica
PS4 Holiday Season Sales
Switch vs PS4 vs Xbox One Global Lifetime Sales – February 2019
