| APA | GFDG. (2012, February 16). In Acronym Geek. Retrieved 21:38, February 16, 2012, from http://www.acronymgeek.com/GFDG |
| MLA | "GFDG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GFDG>. |
| MHRA | 'GFDG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GFDG> [accessed 16 February 2012] |
| Chicago | "GFDG", http://www.acronymgeek.com/GFDG (accessed February 16, 2012). |
| CBE/CSE | GFDG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GFDG. |
| Bluebook | GFDG, http://www.acronymgeek.com/GFDG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GFDG, http://www.acronymgeek.com/GFDG (optional description here) (as of Feb. 16, 2012, 21:38). |
| AMA | GFDG. Acronym Geek. February 16, 2012, 21:38. Available at: http://www.acronymgeek.com/GFDG. Accessed February 16, 2012, 21:38. |