| APA | TPIL. (2012, February 16). In Acronym Geek. Retrieved 22:54, February 16, 2012, from http://www.acronymgeek.com/TPIL |
| MLA | "TPIL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/TPIL>. |
| MHRA | 'TPIL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/TPIL> [accessed 16 February 2012] |
| Chicago | "TPIL", http://www.acronymgeek.com/TPIL (accessed February 16, 2012). |
| CBE/CSE | TPIL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/TPIL. |
| Bluebook | TPIL, http://www.acronymgeek.com/TPIL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TPIL, http://www.acronymgeek.com/TPIL (optional description here) (as of Feb. 16, 2012, 22:54). |
| AMA | TPIL. Acronym Geek. February 16, 2012, 22:54. Available at: http://www.acronymgeek.com/TPIL. Accessed February 16, 2012, 22:54. |