| APA | CH PD. (2012, February 10). In Acronym Geek. Retrieved 19:19, February 10, 2012, from http://www.acronymgeek.com/CH PD |
| MLA | "CH PD." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/CH PD>. |
| MHRA | 'CH PD', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/CH PD> [accessed 10 February 2012] |
| Chicago | "CH PD", http://www.acronymgeek.com/CH PD (accessed February 10, 2012). |
| CBE/CSE | CH PD [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/CH PD. |
| Bluebook | CH PD, http://www.acronymgeek.com/CH PD (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, CH PD, http://www.acronymgeek.com/CH PD (optional description here) (as of Feb. 10, 2012, 19:19). |
| AMA | CH PD. Acronym Geek. February 10, 2012, 19:19. Available at: http://www.acronymgeek.com/CH PD. Accessed February 10, 2012, 19:19. |