Kate Mikhail (11 November 2001). "Life support". Guardian. London. Archived from the original on 23 October 2013. Retrieved 17 October 2012.
"Dining with altitude". Press Association. London. 30 June 2005. Archived from the original on 3 March 2016. Retrieved 14 December 2016 – via The Guardian.
"Dining with altitude". Press Association. London. 30 June 2005. Archived from the original on 3 March 2016. Retrieved 14 December 2016 – via The Guardian.
A Survival Guide for Life: How to Achieve Your Goal, Thrive in Adversity, and Grow in Character. New York: William Morrow. 2012. p. 285. ISBN978-0-06-227195-2. OCLC818737912.