| APA | NEPK. (2012, February 14). In Acronym Geek. Retrieved 22:37, February 14, 2012, from http://www.acronymgeek.com/NEPK |
| MLA | "NEPK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NEPK>. |
| MHRA | 'NEPK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NEPK> [accessed 14 February 2012] |
| Chicago | "NEPK", http://www.acronymgeek.com/NEPK (accessed February 14, 2012). |
| CBE/CSE | NEPK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NEPK. |
| Bluebook | NEPK, http://www.acronymgeek.com/NEPK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NEPK, http://www.acronymgeek.com/NEPK (optional description here) (as of Feb. 14, 2012, 22:37). |
| AMA | NEPK. Acronym Geek. February 14, 2012, 22:37. Available at: http://www.acronymgeek.com/NEPK. Accessed February 14, 2012, 22:37. |