| APA | PORINS. (2012, February 12). In Acronym Geek. Retrieved 09:10, February 12, 2012, from http://www.acronymgeek.com/PORINS |
| MLA | "PORINS." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PORINS>. |
| MHRA | 'PORINS', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PORINS> [accessed 12 February 2012] |
| Chicago | "PORINS", http://www.acronymgeek.com/PORINS (accessed February 12, 2012). |
| CBE/CSE | PORINS [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PORINS. |
| Bluebook | PORINS, http://www.acronymgeek.com/PORINS (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PORINS, http://www.acronymgeek.com/PORINS (optional description here) (as of Feb. 12, 2012, 09:10). |
| AMA | PORINS. Acronym Geek. February 12, 2012, 09:10. Available at: http://www.acronymgeek.com/PORINS. Accessed February 12, 2012, 09:10. |