| APA | HKPD. (2012, February 16). In Acronym Geek. Retrieved 20:51, February 16, 2012, from http://www.acronymgeek.com/HKPD |
| MLA | "HKPD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HKPD>. |
| MHRA | 'HKPD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HKPD> [accessed 16 February 2012] |
| Chicago | "HKPD", http://www.acronymgeek.com/HKPD (accessed February 16, 2012). |
| CBE/CSE | HKPD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HKPD. |
| Bluebook | HKPD, http://www.acronymgeek.com/HKPD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HKPD, http://www.acronymgeek.com/HKPD (optional description here) (as of Feb. 16, 2012, 20:51). |
| AMA | HKPD. Acronym Geek. February 16, 2012, 20:51. Available at: http://www.acronymgeek.com/HKPD. Accessed February 16, 2012, 20:51. |