| APA | PORIM. (2012, February 12). In Acronym Geek. Retrieved 14:49, February 12, 2012, from http://www.acronymgeek.com/PORIM |
| MLA | "PORIM." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PORIM>. |
| MHRA | 'PORIM', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PORIM> [accessed 12 February 2012] |
| Chicago | "PORIM", http://www.acronymgeek.com/PORIM (accessed February 12, 2012). |
| CBE/CSE | PORIM [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PORIM. |
| Bluebook | PORIM, http://www.acronymgeek.com/PORIM (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PORIM, http://www.acronymgeek.com/PORIM (optional description here) (as of Feb. 12, 2012, 14:49). |
| AMA | PORIM. Acronym Geek. February 12, 2012, 14:49. Available at: http://www.acronymgeek.com/PORIM. Accessed February 12, 2012, 14:49. |