| APA | ERTU. (2012, February 16). In Acronym Geek. Retrieved 02:15, February 16, 2012, from http://www.acronymgeek.com/ERTU |
| MLA | "ERTU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ERTU>. |
| MHRA | 'ERTU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ERTU> [accessed 16 February 2012] |
| Chicago | "ERTU", http://www.acronymgeek.com/ERTU (accessed February 16, 2012). |
| CBE/CSE | ERTU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ERTU. |
| Bluebook | ERTU, http://www.acronymgeek.com/ERTU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ERTU, http://www.acronymgeek.com/ERTU (optional description here) (as of Feb. 16, 2012, 02:15). |
| AMA | ERTU. Acronym Geek. February 16, 2012, 02:15. Available at: http://www.acronymgeek.com/ERTU. Accessed February 16, 2012, 02:15. |