| APA | ZVDI. (2012, February 16). In Acronym Geek. Retrieved 22:58, February 16, 2012, from http://www.acronymgeek.com/ZVDI |
| MLA | "ZVDI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ZVDI>. |
| MHRA | 'ZVDI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ZVDI> [accessed 16 February 2012] |
| Chicago | "ZVDI", http://www.acronymgeek.com/ZVDI (accessed February 16, 2012). |
| CBE/CSE | ZVDI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ZVDI. |
| Bluebook | ZVDI, http://www.acronymgeek.com/ZVDI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ZVDI, http://www.acronymgeek.com/ZVDI (optional description here) (as of Feb. 16, 2012, 22:58). |
| AMA | ZVDI. Acronym Geek. February 16, 2012, 22:58. Available at: http://www.acronymgeek.com/ZVDI. Accessed February 16, 2012, 22:58. |