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