| APA | NTUB. (2012, February 16). In Acronym Geek. Retrieved 14:53, February 16, 2012, from http://www.acronymgeek.com/NTUB |
| MLA | "NTUB." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NTUB>. |
| MHRA | 'NTUB', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NTUB> [accessed 16 February 2012] |
| Chicago | "NTUB", http://www.acronymgeek.com/NTUB (accessed February 16, 2012). |
| CBE/CSE | NTUB [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NTUB. |
| Bluebook | NTUB, http://www.acronymgeek.com/NTUB (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NTUB, http://www.acronymgeek.com/NTUB (optional description here) (as of Feb. 16, 2012, 14:53). |
| AMA | NTUB. Acronym Geek. February 16, 2012, 14:53. Available at: http://www.acronymgeek.com/NTUB. Accessed February 16, 2012, 14:53. |