| APA | DBL. (2012, February 9). In Acronym Geek. Retrieved 09:46, February 9, 2012, from http://www.acronymgeek.com/DBL |
| MLA | "DBL." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/DBL>. |
| MHRA | 'DBL', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/DBL> [accessed 9 February 2012] |
| Chicago | "DBL", http://www.acronymgeek.com/DBL (accessed February 9, 2012). |
| CBE/CSE | DBL [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/DBL. |
| Bluebook | DBL, http://www.acronymgeek.com/DBL (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DBL, http://www.acronymgeek.com/DBL (optional description here) (as of Feb. 9, 2012, 09:46). |
| AMA | DBL. Acronym Geek. February 9, 2012, 09:46. Available at: http://www.acronymgeek.com/DBL. Accessed February 9, 2012, 09:46. |