| APA | ICDU. (2012, February 15). In Acronym Geek. Retrieved 16:12, February 15, 2012, from http://www.acronymgeek.com/ICDU |
| MLA | "ICDU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/ICDU>. |
| MHRA | 'ICDU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/ICDU> [accessed 15 February 2012] |
| Chicago | "ICDU", http://www.acronymgeek.com/ICDU (accessed February 15, 2012). |
| CBE/CSE | ICDU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/ICDU. |
| Bluebook | ICDU, http://www.acronymgeek.com/ICDU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ICDU, http://www.acronymgeek.com/ICDU (optional description here) (as of Feb. 15, 2012, 16:12). |
| AMA | ICDU. Acronym Geek. February 15, 2012, 16:12. Available at: http://www.acronymgeek.com/ICDU. Accessed February 15, 2012, 16:12. |