| APA | HBPL. (2012, February 11). In Acronym Geek. Retrieved 21:45, February 11, 2012, from http://www.acronymgeek.com/HBPL |
| MLA | "HBPL." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/HBPL>. |
| MHRA | 'HBPL', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/HBPL> [accessed 11 February 2012] |
| Chicago | "HBPL", http://www.acronymgeek.com/HBPL (accessed February 11, 2012). |
| CBE/CSE | HBPL [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/HBPL. |
| Bluebook | HBPL, http://www.acronymgeek.com/HBPL (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBPL, http://www.acronymgeek.com/HBPL (optional description here) (as of Feb. 11, 2012, 21:45). |
| AMA | HBPL. Acronym Geek. February 11, 2012, 21:45. Available at: http://www.acronymgeek.com/HBPL. Accessed February 11, 2012, 21:45. |