| APA | CPOB. (2012, February 10). In Acronym Geek. Retrieved 07:52, February 10, 2012, from http://www.acronymgeek.com/CPOB |
| MLA | "CPOB." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/CPOB>. |
| MHRA | 'CPOB', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/CPOB> [accessed 10 February 2012] |
| Chicago | "CPOB", http://www.acronymgeek.com/CPOB (accessed February 10, 2012). |
| CBE/CSE | CPOB [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/CPOB. |
| Bluebook | CPOB, http://www.acronymgeek.com/CPOB (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CPOB, http://www.acronymgeek.com/CPOB (optional description here) (as of Feb. 10, 2012, 07:52). |
| AMA | CPOB. Acronym Geek. February 10, 2012, 07:52. Available at: http://www.acronymgeek.com/CPOB. Accessed February 10, 2012, 07:52. |