| APA | DIRP. (2012, February 14). In Acronym Geek. Retrieved 14:39, February 14, 2012, from http://www.acronymgeek.com/DIRP |
| MLA | "DIRP." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DIRP>. |
| MHRA | 'DIRP', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DIRP> [accessed 14 February 2012] |
| Chicago | "DIRP", http://www.acronymgeek.com/DIRP (accessed February 14, 2012). |
| CBE/CSE | DIRP [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DIRP. |
| Bluebook | DIRP, http://www.acronymgeek.com/DIRP (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DIRP, http://www.acronymgeek.com/DIRP (optional description here) (as of Feb. 14, 2012, 14:39). |
| AMA | DIRP. Acronym Geek. February 14, 2012, 14:39. Available at: http://www.acronymgeek.com/DIRP. Accessed February 14, 2012, 14:39. |