| APA | HBGP. (2012, February 16). In Acronym Geek. Retrieved 20:23, February 16, 2012, from http://www.acronymgeek.com/HBGP |
| MLA | "HBGP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HBGP>. |
| MHRA | 'HBGP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HBGP> [accessed 16 February 2012] |
| Chicago | "HBGP", http://www.acronymgeek.com/HBGP (accessed February 16, 2012). |
| CBE/CSE | HBGP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HBGP. |
| Bluebook | HBGP, http://www.acronymgeek.com/HBGP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HBGP, http://www.acronymgeek.com/HBGP (optional description here) (as of Feb. 16, 2012, 20:23). |
| AMA | HBGP. Acronym Geek. February 16, 2012, 20:23. Available at: http://www.acronymgeek.com/HBGP. Accessed February 16, 2012, 20:23. |