| APA | TTZO. (2012, February 15). In Acronym Geek. Retrieved 23:52, February 15, 2012, from http://www.acronymgeek.com/TTZO |
| MLA | "TTZO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/TTZO>. |
| MHRA | 'TTZO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/TTZO> [accessed 15 February 2012] |
| Chicago | "TTZO", http://www.acronymgeek.com/TTZO (accessed February 15, 2012). |
| CBE/CSE | TTZO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/TTZO. |
| Bluebook | TTZO, http://www.acronymgeek.com/TTZO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TTZO, http://www.acronymgeek.com/TTZO (optional description here) (as of Feb. 15, 2012, 23:52). |
| AMA | TTZO. Acronym Geek. February 15, 2012, 23:52. Available at: http://www.acronymgeek.com/TTZO. Accessed February 15, 2012, 23:52. |