| APA | TTEF. (2012, February 14). In Acronym Geek. Retrieved 08:08, February 14, 2012, from http://www.acronymgeek.com/TTEF |
| MLA | "TTEF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/TTEF>. |
| MHRA | 'TTEF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/TTEF> [accessed 14 February 2012] |
| Chicago | "TTEF", http://www.acronymgeek.com/TTEF (accessed February 14, 2012). |
| CBE/CSE | TTEF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/TTEF. |
| Bluebook | TTEF, http://www.acronymgeek.com/TTEF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TTEF, http://www.acronymgeek.com/TTEF (optional description here) (as of Feb. 14, 2012, 08:08). |
| AMA | TTEF. Acronym Geek. February 14, 2012, 08:08. Available at: http://www.acronymgeek.com/TTEF. Accessed February 14, 2012, 08:08. |