| APA | IEHW. (2012, February 15). In Acronym Geek. Retrieved 11:59, February 15, 2012, from http://www.acronymgeek.com/IEHW |
| MLA | "IEHW." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IEHW>. |
| MHRA | 'IEHW', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IEHW> [accessed 15 February 2012] |
| Chicago | "IEHW", http://www.acronymgeek.com/IEHW (accessed February 15, 2012). |
| CBE/CSE | IEHW [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IEHW. |
| Bluebook | IEHW, http://www.acronymgeek.com/IEHW (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IEHW, http://www.acronymgeek.com/IEHW (optional description here) (as of Feb. 15, 2012, 11:59). |
| AMA | IEHW. Acronym Geek. February 15, 2012, 11:59. Available at: http://www.acronymgeek.com/IEHW. Accessed February 15, 2012, 11:59. |