| APA | BBSY. (2012, February 12). In Acronym Geek. Retrieved 12:40, February 12, 2012, from http://www.acronymgeek.com/BBSY |
| MLA | "BBSY." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/BBSY>. |
| MHRA | 'BBSY', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/BBSY> [accessed 12 February 2012] |
| Chicago | "BBSY", http://www.acronymgeek.com/BBSY (accessed February 12, 2012). |
| CBE/CSE | BBSY [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/BBSY. |
| Bluebook | BBSY, http://www.acronymgeek.com/BBSY (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BBSY, http://www.acronymgeek.com/BBSY (optional description here) (as of Feb. 12, 2012, 12:40). |
| AMA | BBSY. Acronym Geek. February 12, 2012, 12:40. Available at: http://www.acronymgeek.com/BBSY. Accessed February 12, 2012, 12:40. |