| APA | GRCH. (2012, February 17). In Acronym Geek. Retrieved 07:28, February 17, 2012, from http://www.acronymgeek.com/GRCH |
| MLA | "GRCH." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/GRCH>. |
| MHRA | 'GRCH', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/GRCH> [accessed 17 February 2012] |
| Chicago | "GRCH", http://www.acronymgeek.com/GRCH (accessed February 17, 2012). |
| CBE/CSE | GRCH [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/GRCH. |
| Bluebook | GRCH, http://www.acronymgeek.com/GRCH (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GRCH, http://www.acronymgeek.com/GRCH (optional description here) (as of Feb. 17, 2012, 07:28). |
| AMA | GRCH. Acronym Geek. February 17, 2012, 07:28. Available at: http://www.acronymgeek.com/GRCH. Accessed February 17, 2012, 07:28. |