| APA | GTGG. (2012, February 16). In Acronym Geek. Retrieved 07:38, February 16, 2012, from http://www.acronymgeek.com/GTGG |
| MLA | "GTGG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GTGG>. |
| MHRA | 'GTGG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GTGG> [accessed 16 February 2012] |
| Chicago | "GTGG", http://www.acronymgeek.com/GTGG (accessed February 16, 2012). |
| CBE/CSE | GTGG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GTGG. |
| Bluebook | GTGG, http://www.acronymgeek.com/GTGG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTGG, http://www.acronymgeek.com/GTGG (optional description here) (as of Feb. 16, 2012, 07:38). |
| AMA | GTGG. Acronym Geek. February 16, 2012, 07:38. Available at: http://www.acronymgeek.com/GTGG. Accessed February 16, 2012, 07:38. |