| Style | Reference Text |
|---|
| APA | PO. (2009, November 29). In All Acronyms. Retrieved 03:26, November 29, 2009, from http://www.all-acronyms.com/cat/9/PO |
| MLA | "PO." All Acronyms. 29 Nov 2009, 03:26. All Acronyms. 29 Nov 2009 <http://www.all-acronyms.com/cat/9/PO>. |
| MHRA | 'PO', All Acronyms, 29 November 2009, 03:26, <http://www.all-acronyms.com/cat/9/PO> [accessed 29 November 2009] |
| Chicago | "PO," http://www.all-acronyms.com/cat/9/PO (accessed November 29, 2009). |
| CBE/CSE | PO [Internet]. All Acronyms; 2009 Nov 29, 03:26 [cited 2009 Nov 29]. Available from: http://www.all-acronyms.com/cat/9/PO. |
| Bluebook | PO, http://www.all-acronyms.com/cat/9/PO (last visited November 29, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, PO, http://www.all-acronyms.com/cat/9/PO (optional description here) (as of Nov. 29, 2009, 03:26). |
| AMA | PO. All Acronyms. November 29, 2009, 03:26. Available at: http://www.all-acronyms.com/cat/9/PO. Accessed November 29, 2009. |
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