| APA | ROIP. (2012, February 16). In Acronym Geek. Retrieved 01:24, February 16, 2012, from http://www.acronymgeek.com/ROIP |
| MLA | "ROIP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ROIP>. |
| MHRA | 'ROIP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ROIP> [accessed 16 February 2012] |
| Chicago | "ROIP", http://www.acronymgeek.com/ROIP (accessed February 16, 2012). |
| CBE/CSE | ROIP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ROIP. |
| Bluebook | ROIP, http://www.acronymgeek.com/ROIP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ROIP, http://www.acronymgeek.com/ROIP (optional description here) (as of Feb. 16, 2012, 01:24). |
| AMA | ROIP. Acronym Geek. February 16, 2012, 01:24. Available at: http://www.acronymgeek.com/ROIP. Accessed February 16, 2012, 01:24. |