| APA | CCOO. (2012, February 15). In Acronym Geek. Retrieved 12:58, February 15, 2012, from http://www.acronymgeek.com/CCOO |
| MLA | "CCOO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/CCOO>. |
| MHRA | 'CCOO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/CCOO> [accessed 15 February 2012] |
| Chicago | "CCOO", http://www.acronymgeek.com/CCOO (accessed February 15, 2012). |
| CBE/CSE | CCOO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/CCOO. |
| Bluebook | CCOO, http://www.acronymgeek.com/CCOO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CCOO, http://www.acronymgeek.com/CCOO (optional description here) (as of Feb. 15, 2012, 12:58). |
| AMA | CCOO. Acronym Geek. February 15, 2012, 12:58. Available at: http://www.acronymgeek.com/CCOO. Accessed February 15, 2012, 12:58. |