| APA | ITU. (2012, February 14). In Acronym Geek. Retrieved 07:05, February 14, 2012, from http://www.acronymgeek.com/ITU |
| MLA | "ITU." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ITU>. |
| MHRA | 'ITU', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ITU> [accessed 14 February 2012] |
| Chicago | "ITU", http://www.acronymgeek.com/ITU (accessed February 14, 2012). |
| CBE/CSE | ITU [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ITU. |
| Bluebook | ITU, http://www.acronymgeek.com/ITU (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ITU, http://www.acronymgeek.com/ITU (optional description here) (as of Feb. 14, 2012, 07:05). |
| AMA | ITU. Acronym Geek. February 14, 2012, 07:05. Available at: http://www.acronymgeek.com/ITU. Accessed February 14, 2012, 07:05. |