| APA | GDH. (2012, February 14). In Acronym Geek. Retrieved 20:29, February 14, 2012, from http://www.acronymgeek.com/GDH |
| MLA | "GDH." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GDH>. |
| MHRA | 'GDH', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GDH> [accessed 14 February 2012] |
| Chicago | "GDH", http://www.acronymgeek.com/GDH (accessed February 14, 2012). |
| CBE/CSE | GDH [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GDH. |
| Bluebook | GDH, http://www.acronymgeek.com/GDH (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GDH, http://www.acronymgeek.com/GDH (optional description here) (as of Feb. 14, 2012, 20:29). |
| AMA | GDH. Acronym Geek. February 14, 2012, 20:29. Available at: http://www.acronymgeek.com/GDH. Accessed February 14, 2012, 20:29. |