| APA | DBEI. (2012, February 16). In Acronym Geek. Retrieved 03:28, February 16, 2012, from http://www.acronymgeek.com/DBEI |
| MLA | "DBEI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/DBEI>. |
| MHRA | 'DBEI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/DBEI> [accessed 16 February 2012] |
| Chicago | "DBEI", http://www.acronymgeek.com/DBEI (accessed February 16, 2012). |
| CBE/CSE | DBEI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/DBEI. |
| Bluebook | DBEI, http://www.acronymgeek.com/DBEI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DBEI, http://www.acronymgeek.com/DBEI (optional description here) (as of Feb. 16, 2012, 03:28). |
| AMA | DBEI. Acronym Geek. February 16, 2012, 03:28. Available at: http://www.acronymgeek.com/DBEI. Accessed February 16, 2012, 03:28. |