| APA | DGPI. (2012, February 15). In Acronym Geek. Retrieved 19:54, February 15, 2012, from http://www.acronymgeek.com/DGPI |
| MLA | "DGPI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/DGPI>. |
| MHRA | 'DGPI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/DGPI> [accessed 15 February 2012] |
| Chicago | "DGPI", http://www.acronymgeek.com/DGPI (accessed February 15, 2012). |
| CBE/CSE | DGPI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/DGPI. |
| Bluebook | DGPI, http://www.acronymgeek.com/DGPI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DGPI, http://www.acronymgeek.com/DGPI (optional description here) (as of Feb. 15, 2012, 19:54). |
| AMA | DGPI. Acronym Geek. February 15, 2012, 19:54. Available at: http://www.acronymgeek.com/DGPI. Accessed February 15, 2012, 19:54. |