| APA | TTDR. (2012, February 17). In Acronym Geek. Retrieved 01:54, February 17, 2012, from http://www.acronymgeek.com/TTDR |
| MLA | "TTDR." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/TTDR>. |
| MHRA | 'TTDR', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/TTDR> [accessed 17 February 2012] |
| Chicago | "TTDR", http://www.acronymgeek.com/TTDR (accessed February 17, 2012). |
| CBE/CSE | TTDR [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/TTDR. |
| Bluebook | TTDR, http://www.acronymgeek.com/TTDR (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TTDR, http://www.acronymgeek.com/TTDR (optional description here) (as of Feb. 17, 2012, 01:54). |
| AMA | TTDR. Acronym Geek. February 17, 2012, 01:54. Available at: http://www.acronymgeek.com/TTDR. Accessed February 17, 2012, 01:54. |