| Style | Reference Text |
|---|
| APA | PPE. (2013, June 18). In All Acronyms. Retrieved 23:17, June 18, 2013, from http://www.allacronyms.com/cat/2/PPE |
| MLA | "PPE." All Acronyms. 18 Jun 2013, 23:17. All Acronyms. 18 Jun 2013 <http://www.allacronyms.com/cat/2/PPE>. |
| MHRA | 'PPE', All Acronyms, 18 June 2013, 23:17, <http://www.allacronyms.com/cat/2/PPE> [accessed 18 June 2013] |
| Chicago | "PPE," http://www.allacronyms.com/cat/2/PPE (accessed June 18, 2013). |
| CBE/CSE | PPE [Internet]. All Acronyms; 2013 Jun 18, 23:17 [cited 2013 Jun 18]. Available from: http://www.allacronyms.com/cat/2/PPE. |
| Bluebook | PPE, http://www.allacronyms.com/cat/2/PPE (last visited June 18, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, PPE, http://www.allacronyms.com/cat/2/PPE (optional description here) (as of Jun. 18, 2013, 23:17). |
| AMA | PPE. All Acronyms. June 18, 2013, 23:17. Available at: http://www.allacronyms.com/cat/2/PPE. Accessed June 18, 2013. |
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