| Style | Reference Text |
|---|
| APA | HKO. (2009, November 30). In All Acronyms. Retrieved 03:00, November 30, 2009, from http://www.all-acronyms.com/HKO |
| MLA | "HKO." All Acronyms. 30 Nov 2009, 03:00. All Acronyms. 30 Nov 2009 <http://www.all-acronyms.com/HKO>. |
| MHRA | 'HKO', All Acronyms, 30 November 2009, 03:00, <http://www.all-acronyms.com/HKO> [accessed 30 November 2009] |
| Chicago | "HKO," http://www.all-acronyms.com/HKO (accessed November 30, 2009). |
| CBE/CSE | HKO [Internet]. All Acronyms; 2009 Nov 30, 03:00 [cited 2009 Nov 30]. Available from: http://www.all-acronyms.com/HKO. |
| Bluebook | HKO, http://www.all-acronyms.com/HKO (last visited November 30, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, HKO, http://www.all-acronyms.com/HKO (optional description here) (as of Nov. 30, 2009, 03:00). |
| AMA | HKO. All Acronyms. November 30, 2009, 03:00. Available at: http://www.all-acronyms.com/HKO. Accessed November 30, 2009. |
Hong Kong Option