| APA | 3DDDI. (2012, February 12). In Acronym Geek. Retrieved 11:40, February 12, 2012, from http://www.acronymgeek.com/3DDDI |
| MLA | "3DDDI." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/3DDDI>. |
| MHRA | '3DDDI', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/3DDDI> [accessed 12 February 2012] |
| Chicago | "3DDDI", http://www.acronymgeek.com/3DDDI (accessed February 12, 2012). |
| CBE/CSE | 3DDDI [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/3DDDI. |
| Bluebook | 3DDDI, http://www.acronymgeek.com/3DDDI (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 3DDDI, http://www.acronymgeek.com/3DDDI (optional description here) (as of Feb. 12, 2012, 11:40). |
| AMA | 3DDDI. Acronym Geek. February 12, 2012, 11:40. Available at: http://www.acronymgeek.com/3DDDI. Accessed February 12, 2012, 11:40. |