| APA | GHZL. (2012, February 15). In Acronym Geek. Retrieved 16:14, February 15, 2012, from http://www.acronymgeek.com/GHZL |
| MLA | "GHZL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GHZL>. |
| MHRA | 'GHZL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GHZL> [accessed 15 February 2012] |
| Chicago | "GHZL", http://www.acronymgeek.com/GHZL (accessed February 15, 2012). |
| CBE/CSE | GHZL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GHZL. |
| Bluebook | GHZL, http://www.acronymgeek.com/GHZL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GHZL, http://www.acronymgeek.com/GHZL (optional description here) (as of Feb. 15, 2012, 16:14). |
| AMA | GHZL. Acronym Geek. February 15, 2012, 16:14. Available at: http://www.acronymgeek.com/GHZL. Accessed February 15, 2012, 16:14. |