| APA | TGL. (2012, February 13). In Acronym Geek. Retrieved 22:55, February 13, 2012, from http://www.acronymgeek.com/TGL |
| MLA | "TGL." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/TGL>. |
| MHRA | 'TGL', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/TGL> [accessed 13 February 2012] |
| Chicago | "TGL", http://www.acronymgeek.com/TGL (accessed February 13, 2012). |
| CBE/CSE | TGL [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/TGL. |
| Bluebook | TGL, http://www.acronymgeek.com/TGL (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TGL, http://www.acronymgeek.com/TGL (optional description here) (as of Feb. 13, 2012, 22:55). |
| AMA | TGL. Acronym Geek. February 13, 2012, 22:55. Available at: http://www.acronymgeek.com/TGL. Accessed February 13, 2012, 22:55. |