| APA | HRDI. (2012, February 16). In Acronym Geek. Retrieved 11:23, February 16, 2012, from http://www.acronymgeek.com/HRDI |
| MLA | "HRDI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/HRDI>. |
| MHRA | 'HRDI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/HRDI> [accessed 16 February 2012] |
| Chicago | "HRDI", http://www.acronymgeek.com/HRDI (accessed February 16, 2012). |
| CBE/CSE | HRDI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/HRDI. |
| Bluebook | HRDI, http://www.acronymgeek.com/HRDI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, HRDI, http://www.acronymgeek.com/HRDI (optional description here) (as of Feb. 16, 2012, 11:23). |
| AMA | HRDI. Acronym Geek. February 16, 2012, 11:23. Available at: http://www.acronymgeek.com/HRDI. Accessed February 16, 2012, 11:23. |