| APA | TWK. (2012, February 14). In Acronym Geek. Retrieved 10:30, February 14, 2012, from http://www.acronymgeek.com/TWK |
| MLA | "TWK." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/TWK>. |
| MHRA | 'TWK', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/TWK> [accessed 14 February 2012] |
| Chicago | "TWK", http://www.acronymgeek.com/TWK (accessed February 14, 2012). |
| CBE/CSE | TWK [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/TWK. |
| Bluebook | TWK, http://www.acronymgeek.com/TWK (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TWK, http://www.acronymgeek.com/TWK (optional description here) (as of Feb. 14, 2012, 10:30). |
| AMA | TWK. Acronym Geek. February 14, 2012, 10:30. Available at: http://www.acronymgeek.com/TWK. Accessed February 14, 2012, 10:30. |