| APA | VALL. (2012, February 15). In Acronym Geek. Retrieved 11:39, February 15, 2012, from http://www.acronymgeek.com/VALL |
| MLA | "VALL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/VALL>. |
| MHRA | 'VALL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/VALL> [accessed 15 February 2012] |
| Chicago | "VALL", http://www.acronymgeek.com/VALL (accessed February 15, 2012). |
| CBE/CSE | VALL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/VALL. |
| Bluebook | VALL, http://www.acronymgeek.com/VALL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VALL, http://www.acronymgeek.com/VALL (optional description here) (as of Feb. 15, 2012, 11:39). |
| AMA | VALL. Acronym Geek. February 15, 2012, 11:39. Available at: http://www.acronymgeek.com/VALL. Accessed February 15, 2012, 11:39. |