| APA | GBHK. (2012, February 15). In Acronym Geek. Retrieved 08:07, February 15, 2012, from http://www.acronymgeek.com/GBHK |
| MLA | "GBHK." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GBHK>. |
| MHRA | 'GBHK', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GBHK> [accessed 15 February 2012] |
| Chicago | "GBHK", http://www.acronymgeek.com/GBHK (accessed February 15, 2012). |
| CBE/CSE | GBHK [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GBHK. |
| Bluebook | GBHK, http://www.acronymgeek.com/GBHK (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GBHK, http://www.acronymgeek.com/GBHK (optional description here) (as of Feb. 15, 2012, 08:07). |
| AMA | GBHK. Acronym Geek. February 15, 2012, 08:07. Available at: http://www.acronymgeek.com/GBHK. Accessed February 15, 2012, 08:07. |