Sloppy safety procedures lead to ferry sinking. (2013). The History Channel website. Retrieved 4:28, May 23, 2013, from http://www.history.com/this-day-in-history/sloppy-safety-procedures-lead-to-ferry-sinking.
Sloppy safety procedures lead to ferry sinking. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/sloppy-safety-procedures-lead-to-ferry-sinking [Accessed 23 May 2013].
“Sloppy safety procedures lead to ferry sinking.” 2013. The History Channel website. May 23 2013, 4:28 http://www.history.com/this-day-in-history/sloppy-safety-procedures-lead-to-ferry-sinking.
“Sloppy safety procedures lead to ferry sinking,” The History Channel website, 2013, http://www.history.com/this-day-in-history/sloppy-safety-procedures-lead-to-ferry-sinking [accessed May 23, 2013].
“Sloppy safety procedures lead to ferry sinking,” The History Channel website, http://www.history.com/this-day-in-history/sloppy-safety-procedures-lead-to-ferry-sinking (accessed May 23, 2013).
Sloppy safety procedures lead to ferry sinking [Internet]. The History Channel website; 2013 [cited 2013 May 23] Available from: http://www.history.com/this-day-in-history/sloppy-safety-procedures-lead-to-ferry-sinking.
Sloppy safety procedures lead to ferry sinking, http://www.history.com/this-day-in-history/sloppy-safety-procedures-lead-to-ferry-sinking (last visited May 23, 2013).
Sloppy safety procedures lead to ferry sinking. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/sloppy-safety-procedures-lead-to-ferry-sinking. Accessed May 23, 2013.