| APA | GBIL. (2012, February 15). In Acronym Geek. Retrieved 12:56, February 15, 2012, from http://www.acronymgeek.com/GBIL |
| MLA | "GBIL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GBIL>. |
| MHRA | 'GBIL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GBIL> [accessed 15 February 2012] |
| Chicago | "GBIL", http://www.acronymgeek.com/GBIL (accessed February 15, 2012). |
| CBE/CSE | GBIL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GBIL. |
| Bluebook | GBIL, http://www.acronymgeek.com/GBIL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GBIL, http://www.acronymgeek.com/GBIL (optional description here) (as of Feb. 15, 2012, 12:56). |
| AMA | GBIL. Acronym Geek. February 15, 2012, 12:56. Available at: http://www.acronymgeek.com/GBIL. Accessed February 15, 2012, 12:56. |