| APA | GRFI. (2012, February 15). In Acronym Geek. Retrieved 16:49, February 15, 2012, from http://www.acronymgeek.com/GRFI |
| MLA | "GRFI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GRFI>. |
| MHRA | 'GRFI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GRFI> [accessed 15 February 2012] |
| Chicago | "GRFI", http://www.acronymgeek.com/GRFI (accessed February 15, 2012). |
| CBE/CSE | GRFI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GRFI. |
| Bluebook | GRFI, http://www.acronymgeek.com/GRFI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GRFI, http://www.acronymgeek.com/GRFI (optional description here) (as of Feb. 15, 2012, 16:49). |
| AMA | GRFI. Acronym Geek. February 15, 2012, 16:49. Available at: http://www.acronymgeek.com/GRFI. Accessed February 15, 2012, 16:49. |