| APA | IESF. (2012, February 15). In Acronym Geek. Retrieved 10:50, February 15, 2012, from http://www.acronymgeek.com/IESF |
| MLA | "IESF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IESF>. |
| MHRA | 'IESF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IESF> [accessed 15 February 2012] |
| Chicago | "IESF", http://www.acronymgeek.com/IESF (accessed February 15, 2012). |
| CBE/CSE | IESF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IESF. |
| Bluebook | IESF, http://www.acronymgeek.com/IESF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IESF, http://www.acronymgeek.com/IESF (optional description here) (as of Feb. 15, 2012, 10:50). |
| AMA | IESF. Acronym Geek. February 15, 2012, 10:50. Available at: http://www.acronymgeek.com/IESF. Accessed February 15, 2012, 10:50. |