Rolls-Royce co-founder dies. (2013). The History Channel website. Retrieved 1:11, May 26, 2013, from http://www.history.com/this-day-in-history/rolls-royce-co-founder-dies.
Rolls-Royce co-founder dies. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/rolls-royce-co-founder-dies [Accessed 26 May 2013].
“Rolls-Royce co-founder dies.” 2013. The History Channel website. May 26 2013, 1:11 http://www.history.com/this-day-in-history/rolls-royce-co-founder-dies.
“Rolls-Royce co-founder dies,” The History Channel website, 2013, http://www.history.com/this-day-in-history/rolls-royce-co-founder-dies [accessed May 26, 2013].
“Rolls-Royce co-founder dies,” The History Channel website, http://www.history.com/this-day-in-history/rolls-royce-co-founder-dies (accessed May 26, 2013).
Rolls-Royce co-founder dies [Internet]. The History Channel website; 2013 [cited 2013 May 26] Available from: http://www.history.com/this-day-in-history/rolls-royce-co-founder-dies.
Rolls-Royce co-founder dies, http://www.history.com/this-day-in-history/rolls-royce-co-founder-dies (last visited May 26, 2013).
Rolls-Royce co-founder dies. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/rolls-royce-co-founder-dies. Accessed May 26, 2013.