| Style | Reference Text |
|---|
| APA | PPE. (2009, November 29). In All Acronyms. Retrieved 01:47, November 29, 2009, from http://www.all-acronyms.com/cat/8/PPE |
| MLA | "PPE." All Acronyms. 29 Nov 2009, 01:47. All Acronyms. 29 Nov 2009 <http://www.all-acronyms.com/cat/8/PPE>. |
| MHRA | 'PPE', All Acronyms, 29 November 2009, 01:47, <http://www.all-acronyms.com/cat/8/PPE> [accessed 29 November 2009] |
| Chicago | "PPE," http://www.all-acronyms.com/cat/8/PPE (accessed November 29, 2009). |
| CBE/CSE | PPE [Internet]. All Acronyms; 2009 Nov 29, 01:47 [cited 2009 Nov 29]. Available from: http://www.all-acronyms.com/cat/8/PPE. |
| Bluebook | PPE, http://www.all-acronyms.com/cat/8/PPE (last visited November 29, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, PPE, http://www.all-acronyms.com/cat/8/PPE (optional description here) (as of Nov. 29, 2009, 01:47). |
| AMA | PPE. All Acronyms. November 29, 2009, 01:47. Available at: http://www.all-acronyms.com/cat/8/PPE. Accessed November 29, 2009. |
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