| APA | NBG. (2012, February 13). In Acronym Geek. Retrieved 21:26, February 13, 2012, from http://www.acronymgeek.com/NBG |
| MLA | "NBG." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/NBG>. |
| MHRA | 'NBG', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/NBG> [accessed 13 February 2012] |
| Chicago | "NBG", http://www.acronymgeek.com/NBG (accessed February 13, 2012). |
| CBE/CSE | NBG [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/NBG. |
| Bluebook | NBG, http://www.acronymgeek.com/NBG (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NBG, http://www.acronymgeek.com/NBG (optional description here) (as of Feb. 13, 2012, 21:26). |
| AMA | NBG. Acronym Geek. February 13, 2012, 21:26. Available at: http://www.acronymgeek.com/NBG. Accessed February 13, 2012, 21:26. |