| Style | Reference Text |
|---|
| APA | NDU. (2012, May 27). In All Acronyms. Retrieved 00:26, May 27, 2012, from http://www.all-acronyms.com/NDU |
| MLA | "NDU." All Acronyms. 27 May 2012, 00:26. All Acronyms. 27 May 2012 <http://www.all-acronyms.com/NDU>. |
| MHRA | 'NDU', All Acronyms, 27 May 2012, 00:26, <http://www.all-acronyms.com/NDU> [accessed 27 May 2012] |
| Chicago | "NDU," http://www.all-acronyms.com/NDU (accessed May 27, 2012). |
| CBE/CSE | NDU [Internet]. All Acronyms; 2012 May 27, 00:26 [cited 2012 May 27]. Available from: http://www.all-acronyms.com/NDU. |
| Bluebook | NDU, http://www.all-acronyms.com/NDU (last visited May 27, 2012). |
| Bluebook: Harvard JOLT | See All Acronyms, NDU, http://www.all-acronyms.com/NDU (optional description here) (as of May. 27, 2012, 00:26). |
| AMA | NDU. All Acronyms. May 27, 2012, 00:26. Available at: http://www.all-acronyms.com/NDU. Accessed May 27, 2012. |