| APA | GTGL. (2012, February 16). In Acronym Geek. Retrieved 04:05, February 16, 2012, from http://www.acronymgeek.com/GTGL |
| MLA | "GTGL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GTGL>. |
| MHRA | 'GTGL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GTGL> [accessed 16 February 2012] |
| Chicago | "GTGL", http://www.acronymgeek.com/GTGL (accessed February 16, 2012). |
| CBE/CSE | GTGL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GTGL. |
| Bluebook | GTGL, http://www.acronymgeek.com/GTGL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTGL, http://www.acronymgeek.com/GTGL (optional description here) (as of Feb. 16, 2012, 04:05). |
| AMA | GTGL. Acronym Geek. February 16, 2012, 04:05. Available at: http://www.acronymgeek.com/GTGL. Accessed February 16, 2012, 04:05. |