Kissinger begins secret negotiations with North Vietnamese. (2013). The History Channel website. Retrieved 5:22, June 20, 2013, from http://www.history.com/this-day-in-history/kissinger-begins-secret-negotiations-with-north-vietnamese.
Kissinger begins secret negotiations with North Vietnamese. [Internet]. 2013. The History Channel website. Available from: http://www.history.com/this-day-in-history/kissinger-begins-secret-negotiations-with-north-vietnamese [Accessed 20 Jun 2013].
“Kissinger begins secret negotiations with North Vietnamese.” 2013. The History Channel website. Jun 20 2013, 5:22 http://www.history.com/this-day-in-history/kissinger-begins-secret-negotiations-with-north-vietnamese.
“Kissinger begins secret negotiations with North Vietnamese,” The History Channel website, 2013, http://www.history.com/this-day-in-history/kissinger-begins-secret-negotiations-with-north-vietnamese [accessed Jun 20, 2013].
“Kissinger begins secret negotiations with North Vietnamese,” The History Channel website, http://www.history.com/this-day-in-history/kissinger-begins-secret-negotiations-with-north-vietnamese (accessed Jun 20, 2013).
Kissinger begins secret negotiations with North Vietnamese [Internet]. The History Channel website; 2013 [cited 2013 Jun 20] Available from: http://www.history.com/this-day-in-history/kissinger-begins-secret-negotiations-with-north-vietnamese.
Kissinger begins secret negotiations with North Vietnamese, http://www.history.com/this-day-in-history/kissinger-begins-secret-negotiations-with-north-vietnamese (last visited Jun 20, 2013).
Kissinger begins secret negotiations with North Vietnamese. The History Channel website. 2013. Available at: http://www.history.com/this-day-in-history/kissinger-begins-secret-negotiations-with-north-vietnamese. Accessed Jun 20, 2013.