Chart: Advantage Sony - PS4 Price Undercuts Xbox One by $100 | Statista
Sony Explains Why Its PlayStation 4 Costs $1,845 In Brazil : The Two-Way : NPR
History Of PlayStation: PS1, PS2, PS3, PS4, PS5 - Launch Prices, Specs, Games - PlayStation Universe
Sony announces PlayStation 4 Pro with 4K HDR gaming for $399 - The Verge
PlayStation 4 Price and Release Date Announced; New PS4 Design Unveiled
How much was the PS4 at launch and what will be the price of Sony PS5? | Gaming
Xbox One or PS4 [PlayStation 4]: Which New Video Game Console Should You Buy? A Comparison of Xbox 1 and PS4 Price, Features, Specs, Games and Release Dates eBook by Eric Michael -
PS4 Sales Have Dropped Off Enormously Since PS5's Release | Push Square
Amazon.com: PlayStation 4 500GB Console [Old Model][Discontinued] : Video Games
Sony PS4 price announced as $399 in the US, £349 in the UK | TechRadar
PS4 Release Date Is November 29 In Australia
Sony announces lighter, less power hungry PS4 hardware | Eurogamer.net
Sony PS4 Pro: Get The Price and Release Date Now
PlayStation 4 Pro finally breaks cover and begins a mid-generation battle | PlayStation 4 | The Guardian
PlayStation 4 will cost $399 - GameSpot
Sony officially unveils the PlayStation 4 Pro – Release date and price confirmed - AR12Gaming