| APA | GBPM. (2012, February 16). In Acronym Geek. Retrieved 20:36, February 16, 2012, from http://www.acronymgeek.com/GBPM |
| MLA | "GBPM." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GBPM>. |
| MHRA | 'GBPM', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GBPM> [accessed 16 February 2012] |
| Chicago | "GBPM", http://www.acronymgeek.com/GBPM (accessed February 16, 2012). |
| CBE/CSE | GBPM [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GBPM. |
| Bluebook | GBPM, http://www.acronymgeek.com/GBPM (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GBPM, http://www.acronymgeek.com/GBPM (optional description here) (as of Feb. 16, 2012, 20:36). |
| AMA | GBPM. Acronym Geek. February 16, 2012, 20:36. Available at: http://www.acronymgeek.com/GBPM. Accessed February 16, 2012, 20:36. |