| Style | Reference Text |
|---|
| APA | EF. (2009, November 26). In All Acronyms. Retrieved 07:54, November 26, 2009, from http://www.all-acronyms.com/EF/alpha/4 |
| MLA | "EF." All Acronyms. 26 Nov 2009, 07:54. All Acronyms. 26 Nov 2009 <http://www.all-acronyms.com/EF/alpha/4>. |
| MHRA | 'EF', All Acronyms, 26 November 2009, 07:54, <http://www.all-acronyms.com/EF/alpha/4> [accessed 26 November 2009] |
| Chicago | "EF," http://www.all-acronyms.com/EF/alpha/4 (accessed November 26, 2009). |
| CBE/CSE | EF [Internet]. All Acronyms; 2009 Nov 26, 07:54 [cited 2009 Nov 26]. Available from: http://www.all-acronyms.com/EF/alpha/4. |
| Bluebook | EF, http://www.all-acronyms.com/EF/alpha/4 (last visited November 26, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, EF, http://www.all-acronyms.com/EF/alpha/4 (optional description here) (as of Nov. 26, 2009, 07:54). |
| AMA | EF. All Acronyms. November 26, 2009, 07:54. Available at: http://www.all-acronyms.com/EF/alpha/4. Accessed November 26, 2009. |
environmental factor