| APA | NTFE. (2012, February 16). In Acronym Geek. Retrieved 21:52, February 16, 2012, from http://www.acronymgeek.com/NTFE |
| MLA | "NTFE." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NTFE>. |
| MHRA | 'NTFE', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NTFE> [accessed 16 February 2012] |
| Chicago | "NTFE", http://www.acronymgeek.com/NTFE (accessed February 16, 2012). |
| CBE/CSE | NTFE [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NTFE. |
| Bluebook | NTFE, http://www.acronymgeek.com/NTFE (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NTFE, http://www.acronymgeek.com/NTFE (optional description here) (as of Feb. 16, 2012, 21:52). |
| AMA | NTFE. Acronym Geek. February 16, 2012, 21:52. Available at: http://www.acronymgeek.com/NTFE. Accessed February 16, 2012, 21:52. |