| APA | TDYH. (2012, February 16). In Acronym Geek. Retrieved 08:34, February 16, 2012, from http://www.acronymgeek.com/TDYH |
| MLA | "TDYH." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/TDYH>. |
| MHRA | 'TDYH', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/TDYH> [accessed 16 February 2012] |
| Chicago | "TDYH", http://www.acronymgeek.com/TDYH (accessed February 16, 2012). |
| CBE/CSE | TDYH [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/TDYH. |
| Bluebook | TDYH, http://www.acronymgeek.com/TDYH (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TDYH, http://www.acronymgeek.com/TDYH (optional description here) (as of Feb. 16, 2012, 08:34). |
| AMA | TDYH. Acronym Geek. February 16, 2012, 08:34. Available at: http://www.acronymgeek.com/TDYH. Accessed February 16, 2012, 08:34. |