| APA | HAS. (2012, February 9). In Acronym Geek. Retrieved 19:23, February 9, 2012, from http://www.acronymgeek.com/HAS |
| MLA | "HAS." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/HAS>. |
| MHRA | 'HAS', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/HAS> [accessed 9 February 2012] |
| Chicago | "HAS", http://www.acronymgeek.com/HAS (accessed February 9, 2012). |
| CBE/CSE | HAS [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/HAS. |
| Bluebook | HAS, http://www.acronymgeek.com/HAS (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAS, http://www.acronymgeek.com/HAS (optional description here) (as of Feb. 9, 2012, 19:23). |
| AMA | HAS. Acronym Geek. February 9, 2012, 19:23. Available at: http://www.acronymgeek.com/HAS. Accessed February 9, 2012, 19:23. |