| APA | IEC. (2012, February 15). In Acronym Geek. Retrieved 03:41, February 15, 2012, from http://www.acronymgeek.com/IEC |
| MLA | "IEC." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IEC>. |
| MHRA | 'IEC', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IEC> [accessed 15 February 2012] |
| Chicago | "IEC", http://www.acronymgeek.com/IEC (accessed February 15, 2012). |
| CBE/CSE | IEC [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IEC. |
| Bluebook | IEC, http://www.acronymgeek.com/IEC (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IEC, http://www.acronymgeek.com/IEC (optional description here) (as of Feb. 15, 2012, 03:41). |
| AMA | IEC. Acronym Geek. February 15, 2012, 03:41. Available at: http://www.acronymgeek.com/IEC. Accessed February 15, 2012, 03:41. |