| APA | TTEC. (2012, February 16). In Acronym Geek. Retrieved 23:07, February 16, 2012, from http://www.acronymgeek.com/TTEC |
| MLA | "TTEC." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/TTEC>. |
| MHRA | 'TTEC', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/TTEC> [accessed 16 February 2012] |
| Chicago | "TTEC", http://www.acronymgeek.com/TTEC (accessed February 16, 2012). |
| CBE/CSE | TTEC [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/TTEC. |
| Bluebook | TTEC, http://www.acronymgeek.com/TTEC (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TTEC, http://www.acronymgeek.com/TTEC (optional description here) (as of Feb. 16, 2012, 23:07). |
| AMA | TTEC. Acronym Geek. February 16, 2012, 23:07. Available at: http://www.acronymgeek.com/TTEC. Accessed February 16, 2012, 23:07. |