| APA | PORAN. (2012, February 12). In Acronym Geek. Retrieved 12:23, February 12, 2012, from http://www.acronymgeek.com/PORAN |
| MLA | "PORAN." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/PORAN>. |
| MHRA | 'PORAN', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/PORAN> [accessed 12 February 2012] |
| Chicago | "PORAN", http://www.acronymgeek.com/PORAN (accessed February 12, 2012). |
| CBE/CSE | PORAN [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/PORAN. |
| Bluebook | PORAN, http://www.acronymgeek.com/PORAN (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PORAN, http://www.acronymgeek.com/PORAN (optional description here) (as of Feb. 12, 2012, 12:23). |
| AMA | PORAN. Acronym Geek. February 12, 2012, 12:23. Available at: http://www.acronymgeek.com/PORAN. Accessed February 12, 2012, 12:23. |