| APA | GVLS. (2012, February 17). In Acronym Geek. Retrieved 07:22, February 17, 2012, from http://www.acronymgeek.com/GVLS |
| MLA | "GVLS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/GVLS>. |
| MHRA | 'GVLS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/GVLS> [accessed 17 February 2012] |
| Chicago | "GVLS", http://www.acronymgeek.com/GVLS (accessed February 17, 2012). |
| CBE/CSE | GVLS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/GVLS. |
| Bluebook | GVLS, http://www.acronymgeek.com/GVLS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GVLS, http://www.acronymgeek.com/GVLS (optional description here) (as of Feb. 17, 2012, 07:22). |
| AMA | GVLS. Acronym Geek. February 17, 2012, 07:22. Available at: http://www.acronymgeek.com/GVLS. Accessed February 17, 2012, 07:22. |