| APA | GDL. (2012, February 14). In Acronym Geek. Retrieved 11:49, February 14, 2012, from http://www.acronymgeek.com/GDL |
| MLA | "GDL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GDL>. |
| MHRA | 'GDL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GDL> [accessed 14 February 2012] |
| Chicago | "GDL", http://www.acronymgeek.com/GDL (accessed February 14, 2012). |
| CBE/CSE | GDL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GDL. |
| Bluebook | GDL, http://www.acronymgeek.com/GDL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GDL, http://www.acronymgeek.com/GDL (optional description here) (as of Feb. 14, 2012, 11:49). |
| AMA | GDL. Acronym Geek. February 14, 2012, 11:49. Available at: http://www.acronymgeek.com/GDL. Accessed February 14, 2012, 11:49. |