| APA | TPEF. (2012, February 17). In Acronym Geek. Retrieved 07:07, February 17, 2012, from http://www.acronymgeek.com/TPEF |
| MLA | "TPEF." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/TPEF>. |
| MHRA | 'TPEF', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/TPEF> [accessed 17 February 2012] |
| Chicago | "TPEF", http://www.acronymgeek.com/TPEF (accessed February 17, 2012). |
| CBE/CSE | TPEF [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/TPEF. |
| Bluebook | TPEF, http://www.acronymgeek.com/TPEF (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TPEF, http://www.acronymgeek.com/TPEF (optional description here) (as of Feb. 17, 2012, 07:07). |
| AMA | TPEF. Acronym Geek. February 17, 2012, 07:07. Available at: http://www.acronymgeek.com/TPEF. Accessed February 17, 2012, 07:07. |