| APA | TDDL. (2012, February 14). In Acronym Geek. Retrieved 12:50, February 14, 2012, from http://www.acronymgeek.com/TDDL |
| MLA | "TDDL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/TDDL>. |
| MHRA | 'TDDL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/TDDL> [accessed 14 February 2012] |
| Chicago | "TDDL", http://www.acronymgeek.com/TDDL (accessed February 14, 2012). |
| CBE/CSE | TDDL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/TDDL. |
| Bluebook | TDDL, http://www.acronymgeek.com/TDDL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TDDL, http://www.acronymgeek.com/TDDL (optional description here) (as of Feb. 14, 2012, 12:50). |
| AMA | TDDL. Acronym Geek. February 14, 2012, 12:50. Available at: http://www.acronymgeek.com/TDDL. Accessed February 14, 2012, 12:50. |