Eisenhower approves NSC 162/2. (2013). The History Channel website. Retrieved 10:37, June 19, 2013, from http://www.history.com/this-day-in-history/eisenhower-approves-nsc-1622.
Eisenhower approves NSC 162/2. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/eisenhower-approves-nsc-1622 [Accessed 19 Jun 2013].
“Eisenhower approves NSC 162/2.” 2013. The History Channel website. Jun 19 2013, 10:37 http://www.history.com/this-day-in-history/eisenhower-approves-nsc-1622.
“Eisenhower approves NSC 162/2,” The History Channel website, 2013, http://www.history.com/this-day-in-history/eisenhower-approves-nsc-1622 [accessed Jun 19, 2013].
“Eisenhower approves NSC 162/2,” The History Channel website, http://www.history.com/this-day-in-history/eisenhower-approves-nsc-1622 (accessed Jun 19, 2013).
Eisenhower approves NSC 162/2 [Internet]. The History Channel website; 2013 [cited 2013 Jun 19] Available from: http://www.history.com/this-day-in-history/eisenhower-approves-nsc-1622.
Eisenhower approves NSC 162/2, http://www.history.com/this-day-in-history/eisenhower-approves-nsc-1622 (last visited Jun 19, 2013).
Eisenhower approves NSC 162/2. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/eisenhower-approves-nsc-1622. Accessed Jun 19, 2013.