| APA | IPEL. (2012, February 16). In Acronym Geek. Retrieved 22:08, February 16, 2012, from http://www.acronymgeek.com/IPEL |
| MLA | "IPEL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/IPEL>. |
| MHRA | 'IPEL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/IPEL> [accessed 16 February 2012] |
| Chicago | "IPEL", http://www.acronymgeek.com/IPEL (accessed February 16, 2012). |
| CBE/CSE | IPEL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/IPEL. |
| Bluebook | IPEL, http://www.acronymgeek.com/IPEL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IPEL, http://www.acronymgeek.com/IPEL (optional description here) (as of Feb. 16, 2012, 22:08). |
| AMA | IPEL. Acronym Geek. February 16, 2012, 22:08. Available at: http://www.acronymgeek.com/IPEL. Accessed February 16, 2012, 22:08. |