| APA | CGDO. (2012, February 15). In Acronym Geek. Retrieved 06:09, February 15, 2012, from http://www.acronymgeek.com/CGDO |
| MLA | "CGDO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CGDO>. |
| MHRA | 'CGDO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CGDO> [accessed 15 February 2012] |
| Chicago | "CGDO", http://www.acronymgeek.com/CGDO (accessed February 15, 2012). |
| CBE/CSE | CGDO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CGDO. |
| Bluebook | CGDO, http://www.acronymgeek.com/CGDO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CGDO, http://www.acronymgeek.com/CGDO (optional description here) (as of Feb. 15, 2012, 06:09). |
| AMA | CGDO. Acronym Geek. February 15, 2012, 06:09. Available at: http://www.acronymgeek.com/CGDO. Accessed February 15, 2012, 06:09. |