| APA | DOP. (2012, February 4). In Acronym Geek. Retrieved 11:16, February 4, 2012, from http://www.acronymgeek.com/DOP |
| MLA | "DOP." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/DOP>. |
| MHRA | 'DOP', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/DOP> [accessed 4 February 2012] |
| Chicago | "DOP", http://www.acronymgeek.com/DOP (accessed February 4, 2012). |
| CBE/CSE | DOP [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/DOP. |
| Bluebook | DOP, http://www.acronymgeek.com/DOP (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DOP, http://www.acronymgeek.com/DOP (optional description here) (as of Feb. 4, 2012, 11:16). |
| AMA | DOP. Acronym Geek. February 4, 2012, 11:16. Available at: http://www.acronymgeek.com/DOP. Accessed February 4, 2012, 11:16. |