| APA | PIBU. (2012, February 16). In Acronym Geek. Retrieved 23:56, February 16, 2012, from http://www.acronymgeek.com/PIBU |
| MLA | "PIBU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/PIBU>. |
| MHRA | 'PIBU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/PIBU> [accessed 16 February 2012] |
| Chicago | "PIBU", http://www.acronymgeek.com/PIBU (accessed February 16, 2012). |
| CBE/CSE | PIBU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/PIBU. |
| Bluebook | PIBU, http://www.acronymgeek.com/PIBU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PIBU, http://www.acronymgeek.com/PIBU (optional description here) (as of Feb. 16, 2012, 23:56). |
| AMA | PIBU. Acronym Geek. February 16, 2012, 23:56. Available at: http://www.acronymgeek.com/PIBU. Accessed February 16, 2012, 23:56. |