| APA | HRD. (2012, February 15). In Acronym Geek. Retrieved 03:51, February 15, 2012, from http://www.acronymgeek.com/HRD |
| MLA | "HRD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/HRD>. |
| MHRA | 'HRD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/HRD> [accessed 15 February 2012] |
| Chicago | "HRD", http://www.acronymgeek.com/HRD (accessed February 15, 2012). |
| CBE/CSE | HRD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/HRD. |
| Bluebook | HRD, http://www.acronymgeek.com/HRD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HRD, http://www.acronymgeek.com/HRD (optional description here) (as of Feb. 15, 2012, 03:51). |
| AMA | HRD. Acronym Geek. February 15, 2012, 03:51. Available at: http://www.acronymgeek.com/HRD. Accessed February 15, 2012, 03:51. |