| APA | PBLD. (2012, February 16). In Acronym Geek. Retrieved 03:10, February 16, 2012, from http://www.acronymgeek.com/PBLD |
| MLA | "PBLD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PBLD>. |
| MHRA | 'PBLD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PBLD> [accessed 16 February 2012] |
| Chicago | "PBLD", http://www.acronymgeek.com/PBLD (accessed February 16, 2012). |
| CBE/CSE | PBLD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PBLD. |
| Bluebook | PBLD, http://www.acronymgeek.com/PBLD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PBLD, http://www.acronymgeek.com/PBLD (optional description here) (as of Feb. 16, 2012, 03:10). |
| AMA | PBLD. Acronym Geek. February 16, 2012, 03:10. Available at: http://www.acronymgeek.com/PBLD. Accessed February 16, 2012, 03:10. |