Autoworkers' union calls strike at GM parts factory. (2013). The History Channel website. Retrieved 11:45, May 21, 2013, from http://www.history.com/this-day-in-history/autoworkers-union-calls-strike-at-gm-parts-factory.
Autoworkers' union calls strike at GM parts factory. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/autoworkers-union-calls-strike-at-gm-parts-factory [Accessed 21 May 2013].
“Autoworkers' union calls strike at GM parts factory.” 2013. The History Channel website. May 21 2013, 11:45 http://www.history.com/this-day-in-history/autoworkers-union-calls-strike-at-gm-parts-factory.
“Autoworkers' union calls strike at GM parts factory,” The History Channel website, 2013, http://www.history.com/this-day-in-history/autoworkers-union-calls-strike-at-gm-parts-factory [accessed May 21, 2013].
“Autoworkers' union calls strike at GM parts factory,” The History Channel website, http://www.history.com/this-day-in-history/autoworkers-union-calls-strike-at-gm-parts-factory (accessed May 21, 2013).
Autoworkers' union calls strike at GM parts factory [Internet]. The History Channel website; 2013 [cited 2013 May 21] Available from: http://www.history.com/this-day-in-history/autoworkers-union-calls-strike-at-gm-parts-factory.
Autoworkers' union calls strike at GM parts factory, http://www.history.com/this-day-in-history/autoworkers-union-calls-strike-at-gm-parts-factory (last visited May 21, 2013).
Autoworkers' union calls strike at GM parts factory. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/autoworkers-union-calls-strike-at-gm-parts-factory. Accessed May 21, 2013.