| APA | HAVO. (2012, February 15). In Acronym Geek. Retrieved 12:21, February 15, 2012, from http://www.acronymgeek.com/HAVO |
| MLA | "HAVO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HAVO>. |
| MHRA | 'HAVO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HAVO> [accessed 15 February 2012] |
| Chicago | "HAVO", http://www.acronymgeek.com/HAVO (accessed February 15, 2012). |
| CBE/CSE | HAVO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HAVO. |
| Bluebook | HAVO, http://www.acronymgeek.com/HAVO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HAVO, http://www.acronymgeek.com/HAVO (optional description here) (as of Feb. 15, 2012, 12:21). |
| AMA | HAVO. Acronym Geek. February 15, 2012, 12:21. Available at: http://www.acronymgeek.com/HAVO. Accessed February 15, 2012, 12:21. |