| APA | HRDR. (2012, February 15). In Acronym Geek. Retrieved 17:26, February 15, 2012, from http://www.acronymgeek.com/HRDR |
| MLA | "HRDR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HRDR>. |
| MHRA | 'HRDR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HRDR> [accessed 15 February 2012] |
| Chicago | "HRDR", http://www.acronymgeek.com/HRDR (accessed February 15, 2012). |
| CBE/CSE | HRDR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HRDR. |
| Bluebook | HRDR, http://www.acronymgeek.com/HRDR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HRDR, http://www.acronymgeek.com/HRDR (optional description here) (as of Feb. 15, 2012, 17:26). |
| AMA | HRDR. Acronym Geek. February 15, 2012, 17:26. Available at: http://www.acronymgeek.com/HRDR. Accessed February 15, 2012, 17:26. |