| APA | GIU. (2012, February 13). In Acronym Geek. Retrieved 21:10, February 13, 2012, from http://www.acronymgeek.com/GIU |
| MLA | "GIU." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/GIU>. |
| MHRA | 'GIU', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/GIU> [accessed 13 February 2012] |
| Chicago | "GIU", http://www.acronymgeek.com/GIU (accessed February 13, 2012). |
| CBE/CSE | GIU [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/GIU. |
| Bluebook | GIU, http://www.acronymgeek.com/GIU (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GIU, http://www.acronymgeek.com/GIU (optional description here) (as of Feb. 13, 2012, 21:10). |
| AMA | GIU. Acronym Geek. February 13, 2012, 21:10. Available at: http://www.acronymgeek.com/GIU. Accessed February 13, 2012, 21:10. |