| APA | GGD. (2012, February 14). In Acronym Geek. Retrieved 19:38, February 14, 2012, from http://www.acronymgeek.com/GGD |
| MLA | "GGD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GGD>. |
| MHRA | 'GGD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GGD> [accessed 14 February 2012] |
| Chicago | "GGD", http://www.acronymgeek.com/GGD (accessed February 14, 2012). |
| CBE/CSE | GGD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GGD. |
| Bluebook | GGD, http://www.acronymgeek.com/GGD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GGD, http://www.acronymgeek.com/GGD (optional description here) (as of Feb. 14, 2012, 19:38). |
| AMA | GGD. Acronym Geek. February 14, 2012, 19:38. Available at: http://www.acronymgeek.com/GGD. Accessed February 14, 2012, 19:38. |