"Castrol Index Top 11". FIFA.com. Fédération Internationale de Football Association. Archived from the original on 19 December 2014. Retrieved 20 July 2014.
early), Tom Lutz (very; Bryant (early), Tom; Harris (then), Paul Doyle Gregg Bakowski(for a bit) Daniel; Steinberg(later), Jacob (12 June 2014). "World Cup 2014 opening ceremony – as it happened". The Guardian. Archived from the original on 12 June 2014. Retrieved 7 April 2020 – via www.theguardian.com.
early), Tom Lutz (very; Bryant (early), Tom; Harris (then), Paul Doyle Gregg Bakowski(for a bit) Daniel; Steinberg(later), Jacob (12 June 2014). "World Cup 2014 opening ceremony – as it happened". The Guardian. Archived from the original on 12 June 2014. Retrieved 7 April 2020 – via www.theguardian.com.
"Castrol Index Top 11". FIFA.com. Fédération Internationale de Football Association. Archived from the original on 19 December 2014. Retrieved 20 July 2014.