| APA | LETF. (2012, February 16). In Acronym Geek. Retrieved 03:25, February 16, 2012, from http://www.acronymgeek.com/LETF |
| MLA | "LETF." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/LETF>. |
| MHRA | 'LETF', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/LETF> [accessed 16 February 2012] |
| Chicago | "LETF", http://www.acronymgeek.com/LETF (accessed February 16, 2012). |
| CBE/CSE | LETF [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/LETF. |
| Bluebook | LETF, http://www.acronymgeek.com/LETF (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LETF, http://www.acronymgeek.com/LETF (optional description here) (as of Feb. 16, 2012, 03:25). |
| AMA | LETF. Acronym Geek. February 16, 2012, 03:25. Available at: http://www.acronymgeek.com/LETF. Accessed February 16, 2012, 03:25. |