| APA | BIL. (2012, February 9). In Acronym Geek. Retrieved 10:14, February 9, 2012, from http://www.acronymgeek.com/BIL |
| MLA | "BIL." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/BIL>. |
| MHRA | 'BIL', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/BIL> [accessed 9 February 2012] |
| Chicago | "BIL", http://www.acronymgeek.com/BIL (accessed February 9, 2012). |
| CBE/CSE | BIL [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/BIL. |
| Bluebook | BIL, http://www.acronymgeek.com/BIL (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BIL, http://www.acronymgeek.com/BIL (optional description here) (as of Feb. 9, 2012, 10:14). |
| AMA | BIL. Acronym Geek. February 9, 2012, 10:14. Available at: http://www.acronymgeek.com/BIL. Accessed February 9, 2012, 10:14. |