| APA | NTUI. (2012, February 16). In Acronym Geek. Retrieved 05:11, February 16, 2012, from http://www.acronymgeek.com/NTUI |
| MLA | "NTUI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NTUI>. |
| MHRA | 'NTUI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NTUI> [accessed 16 February 2012] |
| Chicago | "NTUI", http://www.acronymgeek.com/NTUI (accessed February 16, 2012). |
| CBE/CSE | NTUI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NTUI. |
| Bluebook | NTUI, http://www.acronymgeek.com/NTUI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NTUI, http://www.acronymgeek.com/NTUI (optional description here) (as of Feb. 16, 2012, 05:11). |
| AMA | NTUI. Acronym Geek. February 16, 2012, 05:11. Available at: http://www.acronymgeek.com/NTUI. Accessed February 16, 2012, 05:11. |