| APA | TPRU. (2012, February 16). In Acronym Geek. Retrieved 20:16, February 16, 2012, from http://www.acronymgeek.com/TPRU |
| MLA | "TPRU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/TPRU>. |
| MHRA | 'TPRU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/TPRU> [accessed 16 February 2012] |
| Chicago | "TPRU", http://www.acronymgeek.com/TPRU (accessed February 16, 2012). |
| CBE/CSE | TPRU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/TPRU. |
| Bluebook | TPRU, http://www.acronymgeek.com/TPRU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TPRU, http://www.acronymgeek.com/TPRU (optional description here) (as of Feb. 16, 2012, 20:16). |
| AMA | TPRU. Acronym Geek. February 16, 2012, 20:16. Available at: http://www.acronymgeek.com/TPRU. Accessed February 16, 2012, 20:16. |