| APA | NSD. (2012, February 14). In Acronym Geek. Retrieved 04:39, February 14, 2012, from http://www.acronymgeek.com/NSD |
| MLA | "NSD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NSD>. |
| MHRA | 'NSD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NSD> [accessed 14 February 2012] |
| Chicago | "NSD", http://www.acronymgeek.com/NSD (accessed February 14, 2012). |
| CBE/CSE | NSD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NSD. |
| Bluebook | NSD, http://www.acronymgeek.com/NSD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NSD, http://www.acronymgeek.com/NSD (optional description here) (as of Feb. 14, 2012, 04:39). |
| AMA | NSD. Acronym Geek. February 14, 2012, 04:39. Available at: http://www.acronymgeek.com/NSD. Accessed February 14, 2012, 04:39. |