| APA | PEC. (2012, February 13). In Acronym Geek. Retrieved 22:54, February 13, 2012, from http://www.acronymgeek.com/PEC |
| MLA | "PEC." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/PEC>. |
| MHRA | 'PEC', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/PEC> [accessed 13 February 2012] |
| Chicago | "PEC", http://www.acronymgeek.com/PEC (accessed February 13, 2012). |
| CBE/CSE | PEC [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/PEC. |
| Bluebook | PEC, http://www.acronymgeek.com/PEC (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PEC, http://www.acronymgeek.com/PEC (optional description here) (as of Feb. 13, 2012, 22:54). |
| AMA | PEC. Acronym Geek. February 13, 2012, 22:54. Available at: http://www.acronymgeek.com/PEC. Accessed February 13, 2012, 22:54. |