| APA | HHED. (2012, February 17). In Acronym Geek. Retrieved 06:04, February 17, 2012, from http://www.acronymgeek.com/HHED |
| MLA | "HHED." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/HHED>. |
| MHRA | 'HHED', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/HHED> [accessed 17 February 2012] |
| Chicago | "HHED", http://www.acronymgeek.com/HHED (accessed February 17, 2012). |
| CBE/CSE | HHED [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/HHED. |
| Bluebook | HHED, http://www.acronymgeek.com/HHED (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHED, http://www.acronymgeek.com/HHED (optional description here) (as of Feb. 17, 2012, 06:04). |
| AMA | HHED. Acronym Geek. February 17, 2012, 06:04. Available at: http://www.acronymgeek.com/HHED. Accessed February 17, 2012, 06:04. |