| APA | PGBD. (2012, February 15). In Acronym Geek. Retrieved 06:12, February 15, 2012, from http://www.acronymgeek.com/PGBD |
| MLA | "PGBD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PGBD>. |
| MHRA | 'PGBD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PGBD> [accessed 15 February 2012] |
| Chicago | "PGBD", http://www.acronymgeek.com/PGBD (accessed February 15, 2012). |
| CBE/CSE | PGBD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PGBD. |
| Bluebook | PGBD, http://www.acronymgeek.com/PGBD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PGBD, http://www.acronymgeek.com/PGBD (optional description here) (as of Feb. 15, 2012, 06:12). |
| AMA | PGBD. Acronym Geek. February 15, 2012, 06:12. Available at: http://www.acronymgeek.com/PGBD. Accessed February 15, 2012, 06:12. |