| APA | LDIU. (2012, February 16). In Acronym Geek. Retrieved 05:30, February 16, 2012, from http://www.acronymgeek.com/LDIU |
| MLA | "LDIU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/LDIU>. |
| MHRA | 'LDIU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/LDIU> [accessed 16 February 2012] |
| Chicago | "LDIU", http://www.acronymgeek.com/LDIU (accessed February 16, 2012). |
| CBE/CSE | LDIU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/LDIU. |
| Bluebook | LDIU, http://www.acronymgeek.com/LDIU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LDIU, http://www.acronymgeek.com/LDIU (optional description here) (as of Feb. 16, 2012, 05:30). |
| AMA | LDIU. Acronym Geek. February 16, 2012, 05:30. Available at: http://www.acronymgeek.com/LDIU. Accessed February 16, 2012, 05:30. |