| APA | ZRBI. (2012, February 16). In Acronym Geek. Retrieved 00:50, February 16, 2012, from http://www.acronymgeek.com/ZRBI |
| MLA | "ZRBI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ZRBI>. |
| MHRA | 'ZRBI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ZRBI> [accessed 16 February 2012] |
| Chicago | "ZRBI", http://www.acronymgeek.com/ZRBI (accessed February 16, 2012). |
| CBE/CSE | ZRBI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ZRBI. |
| Bluebook | ZRBI, http://www.acronymgeek.com/ZRBI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZRBI, http://www.acronymgeek.com/ZRBI (optional description here) (as of Feb. 16, 2012, 00:50). |
| AMA | ZRBI. Acronym Geek. February 16, 2012, 00:50. Available at: http://www.acronymgeek.com/ZRBI. Accessed February 16, 2012, 00:50. |