| APA | ETWC. (2012, February 10). In Acronym Geek. Retrieved 07:53, February 10, 2012, from http://www.acronymgeek.com/ETWC |
| MLA | "ETWC." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/ETWC>. |
| MHRA | 'ETWC', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/ETWC> [accessed 10 February 2012] |
| Chicago | "ETWC", http://www.acronymgeek.com/ETWC (accessed February 10, 2012). |
| CBE/CSE | ETWC [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/ETWC. |
| Bluebook | ETWC, http://www.acronymgeek.com/ETWC (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ETWC, http://www.acronymgeek.com/ETWC (optional description here) (as of Feb. 10, 2012, 07:53). |
| AMA | ETWC. Acronym Geek. February 10, 2012, 07:53. Available at: http://www.acronymgeek.com/ETWC. Accessed February 10, 2012, 07:53. |