Nintendo DS vs. The Sony PSP - InfiniGEEK
Nintendo's Numbers: The State Of The Industry
Who won? First-week sales of PS Vita vs. PSP vs. 3DS vs. DS (infographic) | VentureBeat
3DS vs PSP – VGChartz Gap Charts – October 2018 Update
PS Vita vs 3DS. Is The 3DS Winning The Handheld War? - Wololo.net
PlayStation Portable - Wikipedia
PSP lifetime unit sales by region 2022 | Statista
Comparison between DS and PSP in Japan | Download Table
Nintendo's Switch to Success: 20 Years of Nintendo Console Sales
Nintendo 3DS Reaches 5 Million In Japan, Breaks Record - Siliconera
Games: Nintendo – the winner takes it all – eurotechnology.com
The first 2 years: PSP has sold better in the US than PS1, DS, more | Engadget
Financial Results Briefing for Fiscal Year Ended March 2011
You Decide: Sony PSP or Nintendo 3DS? | HowStuffWorks
PS Vita being outsold by the PSP in Europe too | eTeknix
sales share of consoles in 4th generation onwards, in N. America/Europe/Japan regions (notice how stronger Xbox is in N. America) : r/xbox
Exclusive: Sony PSP Versus Nintendo DS - The Sales Showdown
Wii, XBox, PS3, Nintendo DS, Gameboy Advance, PSP, iPhone, iPad: global market share and sales comparison | Got Schwartz?
The Reasons Why The PSP Was Ahead Of Its Time
Apple slams PSP, DS at iPhone/iPod conference - GameSpot
Exclusive: Sony PSP Versus Nintendo DS - The Sales Showdown
Who won? First-week sales of PS Vita vs. PSP vs. 3DS vs. DS (infographic) | VentureBeat
The annual sales number of PSP overtakes Nintendo DS for the first time since its release at the top of all game machines - GIGAZINE
PlayStation Portable | Video Game Sales Wiki | Fandom
