| APA | HAAPI. (2012, February 10). In Acronym Geek. Retrieved 09:06, February 10, 2012, from http://www.acronymgeek.com/HAAPI |
| MLA | "HAAPI." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/HAAPI>. |
| MHRA | 'HAAPI', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/HAAPI> [accessed 10 February 2012] |
| Chicago | "HAAPI", http://www.acronymgeek.com/HAAPI (accessed February 10, 2012). |
| CBE/CSE | HAAPI [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/HAAPI. |
| Bluebook | HAAPI, http://www.acronymgeek.com/HAAPI (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAAPI, http://www.acronymgeek.com/HAAPI (optional description here) (as of Feb. 10, 2012, 09:06). |
| AMA | HAAPI. Acronym Geek. February 10, 2012, 09:06. Available at: http://www.acronymgeek.com/HAAPI. Accessed February 10, 2012, 09:06. |