You May Be Able to Play Battlefield 4 with a Mouse and Keyboard on PS4 | Push Square
Amazon.com: PS4 Controller,GEEKLIN Game Controller Gamepad for PC/PS4/Slim Console, Remote Controller with Touch Panel/Dual Vibration/Headset Jack/USB Cable-Black : Video Games
Sacrificing 1080p for 64-Player Online Mode in Battlefield 4 Was Worth It, DICE Says
So the spot button layout for PS4/Xboxone is no longer the select/back button : r/battlefield_4
Controls - Battlefield 4 Wiki Guide - IGN
SPBPQY Wireless Controller Compatible with PS4/PS4 Pro/PS4 Slim, Rose Gold - Walmart.com
Battlefield 4 controller mixed inputs - Answer HQ
Best Settings and key bindings - Battlefield 4 Tutorial - YouTube
Battlefield 4™ Community Operations
Battlefield 4: PS4 - Controls and Gameplay Settings! - YouTube