| APA | HKDG. (2012, February 14). In Acronym Geek. Retrieved 16:34, February 14, 2012, from http://www.acronymgeek.com/HKDG |
| MLA | "HKDG." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/HKDG>. |
| MHRA | 'HKDG', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/HKDG> [accessed 14 February 2012] |
| Chicago | "HKDG", http://www.acronymgeek.com/HKDG (accessed February 14, 2012). |
| CBE/CSE | HKDG [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/HKDG. |
| Bluebook | HKDG, http://www.acronymgeek.com/HKDG (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKDG, http://www.acronymgeek.com/HKDG (optional description here) (as of Feb. 14, 2012, 16:34). |
| AMA | HKDG. Acronym Geek. February 14, 2012, 16:34. Available at: http://www.acronymgeek.com/HKDG. Accessed February 14, 2012, 16:34. |