| APA | PDDA. (2012, February 17). In Acronym Geek. Retrieved 07:40, February 17, 2012, from http://www.acronymgeek.com/PDDA |
| MLA | "PDDA." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PDDA>. |
| MHRA | 'PDDA', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PDDA> [accessed 17 February 2012] |
| Chicago | "PDDA", http://www.acronymgeek.com/PDDA (accessed February 17, 2012). |
| CBE/CSE | PDDA [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PDDA. |
| Bluebook | PDDA, http://www.acronymgeek.com/PDDA (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PDDA, http://www.acronymgeek.com/PDDA (optional description here) (as of Feb. 17, 2012, 07:40). |
| AMA | PDDA. Acronym Geek. February 17, 2012, 07:40. Available at: http://www.acronymgeek.com/PDDA. Accessed February 17, 2012, 07:40. |