| APA | BIGU. (2012, February 16). In Acronym Geek. Retrieved 22:51, February 16, 2012, from http://www.acronymgeek.com/BIGU |
| MLA | "BIGU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/BIGU>. |
| MHRA | 'BIGU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/BIGU> [accessed 16 February 2012] |
| Chicago | "BIGU", http://www.acronymgeek.com/BIGU (accessed February 16, 2012). |
| CBE/CSE | BIGU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/BIGU. |
| Bluebook | BIGU, http://www.acronymgeek.com/BIGU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BIGU, http://www.acronymgeek.com/BIGU (optional description here) (as of Feb. 16, 2012, 22:51). |
| AMA | BIGU. Acronym Geek. February 16, 2012, 22:51. Available at: http://www.acronymgeek.com/BIGU. Accessed February 16, 2012, 22:51. |