| APA | TDUP. (2012, February 14). In Acronym Geek. Retrieved 18:22, February 14, 2012, from http://www.acronymgeek.com/TDUP |
| MLA | "TDUP." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/TDUP>. |
| MHRA | 'TDUP', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/TDUP> [accessed 14 February 2012] |
| Chicago | "TDUP", http://www.acronymgeek.com/TDUP (accessed February 14, 2012). |
| CBE/CSE | TDUP [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/TDUP. |
| Bluebook | TDUP, http://www.acronymgeek.com/TDUP (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TDUP, http://www.acronymgeek.com/TDUP (optional description here) (as of Feb. 14, 2012, 18:22). |
| AMA | TDUP. Acronym Geek. February 14, 2012, 18:22. Available at: http://www.acronymgeek.com/TDUP. Accessed February 14, 2012, 18:22. |