| Style | Reference Text |
|---|
| APA | PTR. (2009, November 24). In All Acronyms. Retrieved 02:04, November 24, 2009, from http://www.all-acronyms.com/PTR |
| MLA | "PTR." All Acronyms. 24 Nov 2009, 02:04. All Acronyms. 24 Nov 2009 <http://www.all-acronyms.com/PTR>. |
| MHRA | 'PTR', All Acronyms, 24 November 2009, 02:04, <http://www.all-acronyms.com/PTR> [accessed 24 November 2009] |
| Chicago | "PTR," http://www.all-acronyms.com/PTR (accessed November 24, 2009). |
| CBE/CSE | PTR [Internet]. All Acronyms; 2009 Nov 24, 02:04 [cited 2009 Nov 24]. Available from: http://www.all-acronyms.com/PTR. |
| Bluebook | PTR, http://www.all-acronyms.com/PTR (last visited November 24, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, PTR, http://www.all-acronyms.com/PTR (optional description here) (as of Nov. 24, 2009, 02:04). |
| AMA | PTR. All Acronyms. November 24, 2009, 02:04. Available at: http://www.all-acronyms.com/PTR. Accessed November 24, 2009. |
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