| APA | NHHC. (2012, February 11). In Acronym Geek. Retrieved 20:33, February 11, 2012, from http://www.acronymgeek.com/NHHC |
| MLA | "NHHC." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/NHHC>. |
| MHRA | 'NHHC', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/NHHC> [accessed 11 February 2012] |
| Chicago | "NHHC", http://www.acronymgeek.com/NHHC (accessed February 11, 2012). |
| CBE/CSE | NHHC [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/NHHC. |
| Bluebook | NHHC, http://www.acronymgeek.com/NHHC (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NHHC, http://www.acronymgeek.com/NHHC (optional description here) (as of Feb. 11, 2012, 20:33). |
| AMA | NHHC. Acronym Geek. February 11, 2012, 20:33. Available at: http://www.acronymgeek.com/NHHC. Accessed February 11, 2012, 20:33. |