Elizalde, Pablo; Beer, Matt; Tremayne, Sam; Glendenning, Mark; Freeman, Glenn; Simmons, Marcus (23 May 2013). "As it happened: Weekend test 2". Autosport. Archived from the original on 18 September 2017. Retrieved 16 September 2017.
Elizalde, Pablo; Beer, Matt; Tremayne, Sam; Glendenning, Mark; Freeman, Glenn; Simmons, Marcus (23 May 2013). "As it happened: Weekend test 2". Autosport. Archived from the original on 18 September 2017. Retrieved 16 September 2017.