| APA | WHDO. (2012, February 17). In Acronym Geek. Retrieved 02:55, February 17, 2012, from http://www.acronymgeek.com/WHDO |
| MLA | "WHDO." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/WHDO>. |
| MHRA | 'WHDO', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/WHDO> [accessed 17 February 2012] |
| Chicago | "WHDO", http://www.acronymgeek.com/WHDO (accessed February 17, 2012). |
| CBE/CSE | WHDO [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/WHDO. |
| Bluebook | WHDO, http://www.acronymgeek.com/WHDO (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WHDO, http://www.acronymgeek.com/WHDO (optional description here) (as of Feb. 17, 2012, 02:55). |
| AMA | WHDO. Acronym Geek. February 17, 2012, 02:55. Available at: http://www.acronymgeek.com/WHDO. Accessed February 17, 2012, 02:55. |