| APA | HHET. (2012, February 10). In Acronym Geek. Retrieved 08:03, February 10, 2012, from http://www.acronymgeek.com/HHET |
| MLA | "HHET." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/HHET>. |
| MHRA | 'HHET', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/HHET> [accessed 10 February 2012] |
| Chicago | "HHET", http://www.acronymgeek.com/HHET (accessed February 10, 2012). |
| CBE/CSE | HHET [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/HHET. |
| Bluebook | HHET, http://www.acronymgeek.com/HHET (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HHET, http://www.acronymgeek.com/HHET (optional description here) (as of Feb. 10, 2012, 08:03). |
| AMA | HHET. Acronym Geek. February 10, 2012, 08:03. Available at: http://www.acronymgeek.com/HHET. Accessed February 10, 2012, 08:03. |