"Double programme pour Vincent Abril" [Double programme for Vincent Abril]. AUTOhebdo.fr (in French). Grouppe Hommel. 19 March 2015. Retrieved 19 March 2015.
Cortesi, Marco (18 February 2015). "HTP annuncia nove piloti 2015" [HTP announces nine drivers for 2015]. ItaliaRacing.net (in Italian). Inpagina. Retrieved 19 February 2015.