Euroformula Open Championship (English Wikipedia)

"The Euroformula Open is born!". Euroformula Open Championship. GT Sport. 14 February 2014. Archived from the original on 23 February 2014. Retrieved 15 February 2014.

formula3.cc

2006 Spanish F3 Calendar Archived 2007-03-24 at the Wayback Machine Formula3.cc, November 26, 2005. Retrieved on February 2, 2007.

Racing Engineering Season Preview F1prospects.com, April 8, 2006. Retrieved on February 2, 2007.
Over the Weekend – April 29–30, 2006 Archived 2007-03-01 at the Wayback Machine F1prospects.com, May 1, 2006. Retrieved on February 2, 2007.
"The Euroformula Open is born!". Euroformula Open Championship. GT Sport. 14 February 2014. Archived from the original on 23 February 2014. Retrieved 15 February 2014.
2006 Spanish F3 Calendar Archived 2007-03-24 at the Wayback Machine Formula3.cc, November 26, 2005. Retrieved on February 2, 2007.