| APA | RDIU. (2012, February 16). In Acronym Geek. Retrieved 20:47, February 16, 2012, from http://www.acronymgeek.com/RDIU |
| MLA | "RDIU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/RDIU>. |
| MHRA | 'RDIU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/RDIU> [accessed 16 February 2012] |
| Chicago | "RDIU", http://www.acronymgeek.com/RDIU (accessed February 16, 2012). |
| CBE/CSE | RDIU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/RDIU. |
| Bluebook | RDIU, http://www.acronymgeek.com/RDIU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, RDIU, http://www.acronymgeek.com/RDIU (optional description here) (as of Feb. 16, 2012, 20:47). |
| AMA | RDIU. Acronym Geek. February 16, 2012, 20:47. Available at: http://www.acronymgeek.com/RDIU. Accessed February 16, 2012, 20:47. |