| Style | Reference Text |
|---|
| APA | GSFI. (2013, June 19). In All Acronyms. Retrieved 11:46, June 19, 2013, from http://www.allacronyms.com/GSFI |
| MLA | "GSFI." All Acronyms. 19 Jun 2013, 11:46. All Acronyms. 19 Jun 2013 <http://www.allacronyms.com/GSFI>. |
| MHRA | 'GSFI', All Acronyms, 19 June 2013, 11:46, <http://www.allacronyms.com/GSFI> [accessed 19 June 2013] |
| Chicago | "GSFI," http://www.allacronyms.com/GSFI (accessed June 19, 2013). |
| CBE/CSE | GSFI [Internet]. All Acronyms; 2013 Jun 19, 11:46 [cited 2013 Jun 19]. Available from: http://www.allacronyms.com/GSFI. |
| Bluebook | GSFI, http://www.allacronyms.com/GSFI (last visited June 19, 2013). |
| Bluebook: Harvard JOLT | See All Acronyms, GSFI, http://www.allacronyms.com/GSFI (optional description here) (as of Jun. 19, 2013, 11:46). |
| AMA | GSFI. All Acronyms. June 19, 2013, 11:46. Available at: http://www.allacronyms.com/GSFI. Accessed June 19, 2013. |