| APA | NNRD. (2012, February 15). In Acronym Geek. Retrieved 12:39, February 15, 2012, from http://www.acronymgeek.com/NNRD |
| MLA | "NNRD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NNRD>. |
| MHRA | 'NNRD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NNRD> [accessed 15 February 2012] |
| Chicago | "NNRD", http://www.acronymgeek.com/NNRD (accessed February 15, 2012). |
| CBE/CSE | NNRD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NNRD. |
| Bluebook | NNRD, http://www.acronymgeek.com/NNRD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNRD, http://www.acronymgeek.com/NNRD (optional description here) (as of Feb. 15, 2012, 12:39). |
| AMA | NNRD. Acronym Geek. February 15, 2012, 12:39. Available at: http://www.acronymgeek.com/NNRD. Accessed February 15, 2012, 12:39. |