no you don't need to show your work if i believe it's correct and you believe it's correct and sinneed can reign in his juvenile desire to control things then we don't need the added clutter especially since it will likely stay there forever and i really doubt that anyone is going to see the boilerplate and say ah yes i will find a source because after all there are no sources how could there be sony could tweak things and then whatever info is out there becomes irrelevant and out of date really guys we need to exercise some common sense here nevermind the usual rules of sourcing this article has different parameters and that cannot be overlooked