| APA | HKED. (2012, February 16). In Acronym Geek. Retrieved 21:10, February 16, 2012, from http://www.acronymgeek.com/HKED |
| MLA | "HKED." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HKED>. |
| MHRA | 'HKED', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HKED> [accessed 16 February 2012] |
| Chicago | "HKED", http://www.acronymgeek.com/HKED (accessed February 16, 2012). |
| CBE/CSE | HKED [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HKED. |
| Bluebook | HKED, http://www.acronymgeek.com/HKED (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKED, http://www.acronymgeek.com/HKED (optional description here) (as of Feb. 16, 2012, 21:10). |
| AMA | HKED. Acronym Geek. February 16, 2012, 21:10. Available at: http://www.acronymgeek.com/HKED. Accessed February 16, 2012, 21:10. |