| APA | PGL. (2012, February 14). In Acronym Geek. Retrieved 07:54, February 14, 2012, from http://www.acronymgeek.com/PGL |
| MLA | "PGL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PGL>. |
| MHRA | 'PGL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PGL> [accessed 14 February 2012] |
| Chicago | "PGL", http://www.acronymgeek.com/PGL (accessed February 14, 2012). |
| CBE/CSE | PGL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PGL. |
| Bluebook | PGL, http://www.acronymgeek.com/PGL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PGL, http://www.acronymgeek.com/PGL (optional description here) (as of Feb. 14, 2012, 07:54). |
| AMA | PGL. Acronym Geek. February 14, 2012, 07:54. Available at: http://www.acronymgeek.com/PGL. Accessed February 14, 2012, 07:54. |