| APA | GTU. (2012, February 15). In Acronym Geek. Retrieved 03:38, February 15, 2012, from http://www.acronymgeek.com/GTU |
| MLA | "GTU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GTU>. |
| MHRA | 'GTU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GTU> [accessed 15 February 2012] |
| Chicago | "GTU", http://www.acronymgeek.com/GTU (accessed February 15, 2012). |
| CBE/CSE | GTU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GTU. |
| Bluebook | GTU, http://www.acronymgeek.com/GTU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTU, http://www.acronymgeek.com/GTU (optional description here) (as of Feb. 15, 2012, 03:38). |
| AMA | GTU. Acronym Geek. February 15, 2012, 03:38. Available at: http://www.acronymgeek.com/GTU. Accessed February 15, 2012, 03:38. |