| APA | TPKI. (2012, February 16). In Acronym Geek. Retrieved 11:13, February 16, 2012, from http://www.acronymgeek.com/TPKI |
| MLA | "TPKI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/TPKI>. |
| MHRA | 'TPKI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/TPKI> [accessed 16 February 2012] |
| Chicago | "TPKI", http://www.acronymgeek.com/TPKI (accessed February 16, 2012). |
| CBE/CSE | TPKI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/TPKI. |
| Bluebook | TPKI, http://www.acronymgeek.com/TPKI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TPKI, http://www.acronymgeek.com/TPKI (optional description here) (as of Feb. 16, 2012, 11:13). |
| AMA | TPKI. Acronym Geek. February 16, 2012, 11:13. Available at: http://www.acronymgeek.com/TPKI. Accessed February 16, 2012, 11:13. |