| Style | Reference Text |
|---|
| APA | SPERFI. (2013, May 20). In All Acronyms. Retrieved 20:05, May 20, 2013, from http://www.all-acronyms.com/SPERFI |
| MLA | "SPERFI." All Acronyms. 20 May 2013, 20:05. All Acronyms. 20 May 2013 <http://www.all-acronyms.com/SPERFI>. |
| MHRA | 'SPERFI', All Acronyms, 20 May 2013, 20:05, <http://www.all-acronyms.com/SPERFI> [accessed 20 May 2013] |
| Chicago | "SPERFI," http://www.all-acronyms.com/SPERFI (accessed May 20, 2013). |
| CBE/CSE | SPERFI [Internet]. All Acronyms; 2013 May 20, 20:05 [cited 2013 May 20]. Available from: http://www.all-acronyms.com/SPERFI. |
| Bluebook | SPERFI, http://www.all-acronyms.com/SPERFI (last visited May 20, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, SPERFI, http://www.all-acronyms.com/SPERFI (optional description here) (as of May. 20, 2013, 20:05). |
| AMA | SPERFI. All Acronyms. May 20, 2013, 20:05. Available at: http://www.all-acronyms.com/SPERFI. Accessed May 20, 2013. |
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