| APA | PGOA. (2012, February 15). In Acronym Geek. Retrieved 01:11, February 15, 2012, from http://www.acronymgeek.com/PGOA |
| MLA | "PGOA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/PGOA>. |
| MHRA | 'PGOA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/PGOA> [accessed 15 February 2012] |
| Chicago | "PGOA", http://www.acronymgeek.com/PGOA (accessed February 15, 2012). |
| CBE/CSE | PGOA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/PGOA. |
| Bluebook | PGOA, http://www.acronymgeek.com/PGOA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PGOA, http://www.acronymgeek.com/PGOA (optional description here) (as of Feb. 15, 2012, 01:11). |
| AMA | PGOA. Acronym Geek. February 15, 2012, 01:11. Available at: http://www.acronymgeek.com/PGOA. Accessed February 15, 2012, 01:11. |