Nigerian aircraft crashes in crowded city. (2013). The History Channel website. Retrieved 4:57, May 21, 2013, from http://www.history.com/this-day-in-history/nigerian-aircraft-crashes-in-crowded-city.
Nigerian aircraft crashes in crowded city. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/nigerian-aircraft-crashes-in-crowded-city [Accessed 21 May 2013].
“Nigerian aircraft crashes in crowded city.” 2013. The History Channel website. May 21 2013, 4:57 http://www.history.com/this-day-in-history/nigerian-aircraft-crashes-in-crowded-city.
“Nigerian aircraft crashes in crowded city,” The History Channel website, 2013, http://www.history.com/this-day-in-history/nigerian-aircraft-crashes-in-crowded-city [accessed May 21, 2013].
“Nigerian aircraft crashes in crowded city,” The History Channel website, http://www.history.com/this-day-in-history/nigerian-aircraft-crashes-in-crowded-city (accessed May 21, 2013).
Nigerian aircraft crashes in crowded city [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/nigerian-aircraft-crashes-in-crowded-city.
Nigerian aircraft crashes in crowded city, http://www.history.com/this-day-in-history/nigerian-aircraft-crashes-in-crowded-city (last visited May 21, 2013).
Nigerian aircraft crashes in crowded city. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/nigerian-aircraft-crashes-in-crowded-city. Accessed May 21, 2013.