| APA | TTF. (2012, February 15). In Acronym Geek. Retrieved 03:41, February 15, 2012, from http://www.acronymgeek.com/TTF |
| MLA | "TTF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/TTF>. |
| MHRA | 'TTF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/TTF> [accessed 15 February 2012] |
| Chicago | "TTF", http://www.acronymgeek.com/TTF (accessed February 15, 2012). |
| CBE/CSE | TTF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/TTF. |
| Bluebook | TTF, http://www.acronymgeek.com/TTF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TTF, http://www.acronymgeek.com/TTF (optional description here) (as of Feb. 15, 2012, 03:41). |
| AMA | TTF. Acronym Geek. February 15, 2012, 03:41. Available at: http://www.acronymgeek.com/TTF. Accessed February 15, 2012, 03:41. |