| APA | FHDL. (2012, February 17). In Acronym Geek. Retrieved 03:16, February 17, 2012, from http://www.acronymgeek.com/FHDL |
| MLA | "FHDL." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/FHDL>. |
| MHRA | 'FHDL', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/FHDL> [accessed 17 February 2012] |
| Chicago | "FHDL", http://www.acronymgeek.com/FHDL (accessed February 17, 2012). |
| CBE/CSE | FHDL [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/FHDL. |
| Bluebook | FHDL, http://www.acronymgeek.com/FHDL (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FHDL, http://www.acronymgeek.com/FHDL (optional description here) (as of Feb. 17, 2012, 03:16). |
| AMA | FHDL. Acronym Geek. February 17, 2012, 03:16. Available at: http://www.acronymgeek.com/FHDL. Accessed February 17, 2012, 03:16. |