| APA | NPDW. (2012, February 16). In Acronym Geek. Retrieved 16:28, February 16, 2012, from http://www.acronymgeek.com/NPDW |
| MLA | "NPDW." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NPDW>. |
| MHRA | 'NPDW', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NPDW> [accessed 16 February 2012] |
| Chicago | "NPDW", http://www.acronymgeek.com/NPDW (accessed February 16, 2012). |
| CBE/CSE | NPDW [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NPDW. |
| Bluebook | NPDW, http://www.acronymgeek.com/NPDW (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPDW, http://www.acronymgeek.com/NPDW (optional description here) (as of Feb. 16, 2012, 16:28). |
| AMA | NPDW. Acronym Geek. February 16, 2012, 16:28. Available at: http://www.acronymgeek.com/NPDW. Accessed February 16, 2012, 16:28. |