| APA | GTDS. (2012, February 16). In Acronym Geek. Retrieved 17:03, February 16, 2012, from http://www.acronymgeek.com/GTDS |
| MLA | "GTDS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GTDS>. |
| MHRA | 'GTDS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GTDS> [accessed 16 February 2012] |
| Chicago | "GTDS", http://www.acronymgeek.com/GTDS (accessed February 16, 2012). |
| CBE/CSE | GTDS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GTDS. |
| Bluebook | GTDS, http://www.acronymgeek.com/GTDS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTDS, http://www.acronymgeek.com/GTDS (optional description here) (as of Feb. 16, 2012, 17:03). |
| AMA | GTDS. Acronym Geek. February 16, 2012, 17:03. Available at: http://www.acronymgeek.com/GTDS. Accessed February 16, 2012, 17:03. |