| APA | GBSL. (2012, February 14). In Acronym Geek. Retrieved 23:49, February 14, 2012, from http://www.acronymgeek.com/GBSL |
| MLA | "GBSL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GBSL>. |
| MHRA | 'GBSL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GBSL> [accessed 14 February 2012] |
| Chicago | "GBSL", http://www.acronymgeek.com/GBSL (accessed February 14, 2012). |
| CBE/CSE | GBSL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GBSL. |
| Bluebook | GBSL, http://www.acronymgeek.com/GBSL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GBSL, http://www.acronymgeek.com/GBSL (optional description here) (as of Feb. 14, 2012, 23:49). |
| AMA | GBSL. Acronym Geek. February 14, 2012, 23:49. Available at: http://www.acronymgeek.com/GBSL. Accessed February 14, 2012, 23:49. |