| APA | DBO. (2012, February 14). In Acronym Geek. Retrieved 19:16, February 14, 2012, from http://www.acronymgeek.com/DBO |
| MLA | "DBO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DBO>. |
| MHRA | 'DBO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DBO> [accessed 14 February 2012] |
| Chicago | "DBO", http://www.acronymgeek.com/DBO (accessed February 14, 2012). |
| CBE/CSE | DBO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DBO. |
| Bluebook | DBO, http://www.acronymgeek.com/DBO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DBO, http://www.acronymgeek.com/DBO (optional description here) (as of Feb. 14, 2012, 19:16). |
| AMA | DBO. Acronym Geek. February 14, 2012, 19:16. Available at: http://www.acronymgeek.com/DBO. Accessed February 14, 2012, 19:16. |