| APA | NFDO. (2012, February 16). In Acronym Geek. Retrieved 11:35, February 16, 2012, from http://www.acronymgeek.com/NFDO |
| MLA | "NFDO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NFDO>. |
| MHRA | 'NFDO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NFDO> [accessed 16 February 2012] |
| Chicago | "NFDO", http://www.acronymgeek.com/NFDO (accessed February 16, 2012). |
| CBE/CSE | NFDO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NFDO. |
| Bluebook | NFDO, http://www.acronymgeek.com/NFDO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NFDO, http://www.acronymgeek.com/NFDO (optional description here) (as of Feb. 16, 2012, 11:35). |
| AMA | NFDO. Acronym Geek. February 16, 2012, 11:35. Available at: http://www.acronymgeek.com/NFDO. Accessed February 16, 2012, 11:35. |