ANGLETERRE - Sony BMG sans référence 2006 01 - Who Knew Single promo
EUROPE - Sony BMG 684 576-2 2006 01 - Who Knew Single promo JAPON - Sony BMG 684 576-2 2006 01 - Who Knew Maxi-single
AUSTRALIE - Sony BMG 684 484-2 2006 01 - Who Knew 02 - Who Knew (Sharp Boys' Love Jonathan Harvey Remix) 03 - Who Knew (The Bimbo Jones Radio Edit)
