| APA | ROIS. (2012, February 16). In Acronym Geek. Retrieved 05:35, February 16, 2012, from http://www.acronymgeek.com/ROIS |
| MLA | "ROIS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ROIS>. |
| MHRA | 'ROIS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ROIS> [accessed 16 February 2012] |
| Chicago | "ROIS", http://www.acronymgeek.com/ROIS (accessed February 16, 2012). |
| CBE/CSE | ROIS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ROIS. |
| Bluebook | ROIS, http://www.acronymgeek.com/ROIS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ROIS, http://www.acronymgeek.com/ROIS (optional description here) (as of Feb. 16, 2012, 05:35). |
| AMA | ROIS. Acronym Geek. February 16, 2012, 05:35. Available at: http://www.acronymgeek.com/ROIS. Accessed February 16, 2012, 05:35. |