| APA | PPH. (2012, February 15). In Acronym Geek. Retrieved 03:53, February 15, 2012, from http://www.acronymgeek.com/PPH |
| MLA | "PPH." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PPH>. |
| MHRA | 'PPH', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PPH> [accessed 15 February 2012] |
| Chicago | "PPH", http://www.acronymgeek.com/PPH (accessed February 15, 2012). |
| CBE/CSE | PPH [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PPH. |
| Bluebook | PPH, http://www.acronymgeek.com/PPH (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PPH, http://www.acronymgeek.com/PPH (optional description here) (as of Feb. 15, 2012, 03:53). |
| AMA | PPH. Acronym Geek. February 15, 2012, 03:53. Available at: http://www.acronymgeek.com/PPH. Accessed February 15, 2012, 03:53. |