sentence1: اطلع عليه بتاريخ 13 أكتوبر 2014.  "Gran Turismo 6 producer talks physics engines, smartphone linkups, and the presumed GT7".
sentence2: URL consultato il 19 ottobre 2016. ^ (EN) Kevin Gifford, Gran Turismo 6 producer talks physics engines, smartphone linkups, and the presumed GT7, su Polygon, 11 settembre 2013.