| APA | DDYP. (2012, February 14). In Acronym Geek. Retrieved 14:15, February 14, 2012, from http://www.acronymgeek.com/DDYP |
| MLA | "DDYP." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/DDYP>. |
| MHRA | 'DDYP', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/DDYP> [accessed 14 February 2012] |
| Chicago | "DDYP", http://www.acronymgeek.com/DDYP (accessed February 14, 2012). |
| CBE/CSE | DDYP [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/DDYP. |
| Bluebook | DDYP, http://www.acronymgeek.com/DDYP (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DDYP, http://www.acronymgeek.com/DDYP (optional description here) (as of Feb. 14, 2012, 14:15). |
| AMA | DDYP. Acronym Geek. February 14, 2012, 14:15. Available at: http://www.acronymgeek.com/DDYP. Accessed February 14, 2012, 14:15. |