| APA | NDUK. (2012, February 15). In Acronym Geek. Retrieved 05:10, February 15, 2012, from http://www.acronymgeek.com/NDUK |
| MLA | "NDUK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NDUK>. |
| MHRA | 'NDUK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NDUK> [accessed 15 February 2012] |
| Chicago | "NDUK", http://www.acronymgeek.com/NDUK (accessed February 15, 2012). |
| CBE/CSE | NDUK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NDUK. |
| Bluebook | NDUK, http://www.acronymgeek.com/NDUK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NDUK, http://www.acronymgeek.com/NDUK (optional description here) (as of Feb. 15, 2012, 05:10). |
| AMA | NDUK. Acronym Geek. February 15, 2012, 05:10. Available at: http://www.acronymgeek.com/NDUK. Accessed February 15, 2012, 05:10. |